Home / 24,870.64-37,306.01-20,478.87

Finding the Fourth Proportional to 24,870.64, 37,306.01 and 20,478.87

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Solution

The fourth proportional to 24,870.64, 37,306.01 and 20,478.87 is: 30,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,870.64 : 37,306.01 = 20,478.87 : x
  2. Step 2: Convert to fraction form
    24,870.64/37,306.01 = 20,478.87/x
  3. Step 3: Cross multiply
    24,870.64x = 37,306.01 × 20,478.87
  4. Step 4: Simplify right side
    24,870.64x = 763,984,929.01
  5. Step 5: Solve for x
    x = 763,984,929.01/24,870.64
  6. Step 6: Final answer
    x = 30,718.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.