Home / 34,387.34-47,457.18-19,281.38

Finding the Fourth Proportional to 34,387.34, 47,457.18 and 19,281.38

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Solution

The fourth proportional to 34,387.34, 47,457.18 and 19,281.38 is: 26,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.34 : 47,457.18 = 19,281.38 : x
  2. Step 2: Convert to fraction form
    34,387.34/47,457.18 = 19,281.38/x
  3. Step 3: Cross multiply
    34,387.34x = 47,457.18 × 19,281.38
  4. Step 4: Simplify right side
    34,387.34x = 915,039,921.31
  5. Step 5: Solve for x
    x = 915,039,921.31/34,387.34
  6. Step 6: Final answer
    x = 26,609.79

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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.