Home / 56,487.19-84,730.76-21,426.85

Finding the Fourth Proportional to 56,487.19, 84,730.76 and 21,426.85

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Solution

The fourth proportional to 56,487.19, 84,730.76 and 21,426.85 is: 32,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.19 : 84,730.76 = 21,426.85 : x
  2. Step 2: Convert to fraction form
    56,487.19/84,730.76 = 21,426.85/x
  3. Step 3: Cross multiply
    56,487.19x = 84,730.76 × 21,426.85
  4. Step 4: Simplify right side
    56,487.19x = 1,815,512,887.43
  5. Step 5: Solve for x
    x = 1,815,512,887.43/56,487.19
  6. Step 6: Final answer
    x = 32,140.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.