Home / 42,010.75-57,975.02-23,147.47

Finding the Fourth Proportional to 42,010.75, 57,975.02 and 23,147.47

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Solution

The fourth proportional to 42,010.75, 57,975.02 and 23,147.47 is: 31,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010.75 : 57,975.02 = 23,147.47 : x
  2. Step 2: Convert to fraction form
    42,010.75/57,975.02 = 23,147.47/x
  3. Step 3: Cross multiply
    42,010.75x = 57,975.02 × 23,147.47
  4. Step 4: Simplify right side
    42,010.75x = 1,341,975,036.20
  5. Step 5: Solve for x
    x = 1,341,975,036.20/42,010.75
  6. Step 6: Final answer
    x = 31,943.61

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Double scale
Find fourth proportional to 42,011.75, 57,976.40 and 23,148.47
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.