Home / 56,601.68-78,134.24-38,208.80

Finding the Fourth Proportional to 56,601.68, 78,134.24 and 38,208.80

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Solution

The fourth proportional to 56,601.68, 78,134.24 and 38,208.80 is: 52,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.68 : 78,134.24 = 38,208.80 : x
  2. Step 2: Convert to fraction form
    56,601.68/78,134.24 = 38,208.80/x
  3. Step 3: Cross multiply
    56,601.68x = 78,134.24 × 38,208.80
  4. Step 4: Simplify right side
    56,601.68x = 2,985,415,549.31
  5. Step 5: Solve for x
    x = 2,985,415,549.31/56,601.68
  6. Step 6: Final answer
    x = 52,744.29

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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.