Home / 56,010.33-77,288.40-31,803.60

Finding the Fourth Proportional to 56,010.33, 77,288.40 and 31,803.60

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Solution

The fourth proportional to 56,010.33, 77,288.40 and 31,803.60 is: 43,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.33 : 77,288.40 = 31,803.60 : x
  2. Step 2: Convert to fraction form
    56,010.33/77,288.40 = 31,803.60/x
  3. Step 3: Cross multiply
    56,010.33x = 77,288.40 × 31,803.60
  4. Step 4: Simplify right side
    56,010.33x = 2,458,049,358.24
  5. Step 5: Solve for x
    x = 2,458,049,358.24/56,010.33
  6. Step 6: Final answer
    x = 43,885.64

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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.