Home / 56,762.19-78,331.84-32,902.71

Finding the Fourth Proportional to 56,762.19, 78,331.84 and 32,902.71

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Solution

The fourth proportional to 56,762.19, 78,331.84 and 32,902.71 is: 45,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.19 : 78,331.84 = 32,902.71 : x
  2. Step 2: Convert to fraction form
    56,762.19/78,331.84 = 32,902.71/x
  3. Step 3: Cross multiply
    56,762.19x = 78,331.84 × 32,902.71
  4. Step 4: Simplify right side
    56,762.19x = 2,577,329,815.29
  5. Step 5: Solve for x
    x = 2,577,329,815.29/56,762.19
  6. Step 6: Final answer
    x = 45,405.75

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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.