Home / 38,342.61-57,450.13-13,368.89

Finding the Fourth Proportional to 38,342.61, 57,450.13 and 13,368.89

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Solution

The fourth proportional to 38,342.61, 57,450.13 and 13,368.89 is: 20,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.61 : 57,450.13 = 13,368.89 : x
  2. Step 2: Convert to fraction form
    38,342.61/57,450.13 = 13,368.89/x
  3. Step 3: Cross multiply
    38,342.61x = 57,450.13 × 13,368.89
  4. Step 4: Simplify right side
    38,342.61x = 768,044,578.66
  5. Step 5: Solve for x
    x = 768,044,578.66/38,342.61
  6. Step 6: Final answer
    x = 20,031.10

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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.