Home / 45,259.08-62,416.50-28,264.88

Finding the Fourth Proportional to 45,259.08, 62,416.50 and 28,264.88

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Solution

The fourth proportional to 45,259.08, 62,416.50 and 28,264.88 is: 38,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.08 : 62,416.50 = 28,264.88 : x
  2. Step 2: Convert to fraction form
    45,259.08/62,416.50 = 28,264.88/x
  3. Step 3: Cross multiply
    45,259.08x = 62,416.50 × 28,264.88
  4. Step 4: Simplify right side
    45,259.08x = 1,764,194,882.52
  5. Step 5: Solve for x
    x = 1,764,194,882.52/45,259.08
  6. Step 6: Final answer
    x = 38,979.91

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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.