Home / 62,419.65-93,638.35-20,286.18

Finding the Fourth Proportional to 62,419.65, 93,638.35 and 20,286.18

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Solution

The fourth proportional to 62,419.65, 93,638.35 and 20,286.18 is: 30,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.65 : 93,638.35 = 20,286.18 : x
  2. Step 2: Convert to fraction form
    62,419.65/93,638.35 = 20,286.18/x
  3. Step 3: Cross multiply
    62,419.65x = 93,638.35 × 20,286.18
  4. Step 4: Simplify right side
    62,419.65x = 1,899,564,505.42
  5. Step 5: Solve for x
    x = 1,899,564,505.42/62,419.65
  6. Step 6: Final answer
    x = 30,432.16

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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.