Home / 56,612.24-78,123.21-32,412.40

Finding the Fourth Proportional to 56,612.24, 78,123.21 and 32,412.40

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Solution

The fourth proportional to 56,612.24, 78,123.21 and 32,412.40 is: 44,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.24 : 78,123.21 = 32,412.40 : x
  2. Step 2: Convert to fraction form
    56,612.24/78,123.21 = 32,412.40/x
  3. Step 3: Cross multiply
    56,612.24x = 78,123.21 × 32,412.40
  4. Step 4: Simplify right side
    56,612.24x = 2,532,160,731.80
  5. Step 5: Solve for x
    x = 2,532,160,731.80/56,612.24
  6. Step 6: Final answer
    x = 44,728.15

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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.