Home / 34,446.86-51,681.78-13,387.58

Finding the Fourth Proportional to 34,446.86, 51,681.78 and 13,387.58

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Solution

The fourth proportional to 34,446.86, 51,681.78 and 13,387.58 is: 20,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,446.86 : 51,681.78 = 13,387.58 : x
  2. Step 2: Convert to fraction form
    34,446.86/51,681.78 = 13,387.58/x
  3. Step 3: Cross multiply
    34,446.86x = 51,681.78 × 13,387.58
  4. Step 4: Simplify right side
    34,446.86x = 691,893,964.29
  5. Step 5: Solve for x
    x = 691,893,964.29/34,446.86
  6. Step 6: Final answer
    x = 20,085.84

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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.