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Finding the Fourth Proportional to 56,358.98, 77,775.24 and 32,485.52

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Solution

The fourth proportional to 56,358.98, 77,775.24 and 32,485.52 is: 44,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.98 : 77,775.24 = 32,485.52 : x
  2. Step 2: Convert to fraction form
    56,358.98/77,775.24 = 32,485.52/x
  3. Step 3: Cross multiply
    56,358.98x = 77,775.24 × 32,485.52
  4. Step 4: Simplify right side
    56,358.98x = 2,526,569,114.52
  5. Step 5: Solve for x
    x = 2,526,569,114.52/56,358.98
  6. Step 6: Final answer
    x = 44,829.93

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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.