Home / 57,240.32-78,988.16-32,089.28

Finding the Fourth Proportional to 57,240.32, 78,988.16 and 32,089.28

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Solution

The fourth proportional to 57,240.32, 78,988.16 and 32,089.28 is: 44,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.32 : 78,988.16 = 32,089.28 : x
  2. Step 2: Convert to fraction form
    57,240.32/78,988.16 = 32,089.28/x
  3. Step 3: Cross multiply
    57,240.32x = 78,988.16 × 32,089.28
  4. Step 4: Simplify right side
    57,240.32x = 2,534,673,182.92
  5. Step 5: Solve for x
    x = 2,534,673,182.92/57,240.32
  6. Step 6: Final answer
    x = 44,281.25

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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.