Home / 34,387.92-47,457.62-19,281.55

Finding the Fourth Proportional to 34,387.92, 47,457.62 and 19,281.55

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Solution

The fourth proportional to 34,387.92, 47,457.62 and 19,281.55 is: 26,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.92 : 47,457.62 = 19,281.55 : x
  2. Step 2: Convert to fraction form
    34,387.92/47,457.62 = 19,281.55/x
  3. Step 3: Cross multiply
    34,387.92x = 47,457.62 × 19,281.55
  4. Step 4: Simplify right side
    34,387.92x = 915,056,472.91
  5. Step 5: Solve for x
    x = 915,056,472.91/34,387.92
  6. Step 6: Final answer
    x = 26,609.82

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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.