Home / 42,012.95-57,975.14-23,150.07

Finding the Fourth Proportional to 42,012.95, 57,975.14 and 23,150.07

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Solution

The fourth proportional to 42,012.95, 57,975.14 and 23,150.07 is: 31,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.95 : 57,975.14 = 23,150.07 : x
  2. Step 2: Convert to fraction form
    42,012.95/57,975.14 = 23,150.07/x
  3. Step 3: Cross multiply
    42,012.95x = 57,975.14 × 23,150.07
  4. Step 4: Simplify right side
    42,012.95x = 1,342,128,607.13
  5. Step 5: Solve for x
    x = 1,342,128,607.13/42,012.95
  6. Step 6: Final answer
    x = 31,945.60

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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.