Home / 56,649.52-78,166.10-32,120.40

Finding the Fourth Proportional to 56,649.52, 78,166.10 and 32,120.40

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Solution

The fourth proportional to 56,649.52, 78,166.10 and 32,120.40 is: 44,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,649.52 : 78,166.10 = 32,120.40 : x
  2. Step 2: Convert to fraction form
    56,649.52/78,166.10 = 32,120.40/x
  3. Step 3: Cross multiply
    56,649.52x = 78,166.10 × 32,120.40
  4. Step 4: Simplify right side
    56,649.52x = 2,510,726,398.44
  5. Step 5: Solve for x
    x = 2,510,726,398.44/56,649.52
  6. Step 6: Final answer
    x = 44,320.35

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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.