Home / 38,681.17-58,022.27-12,385.91

Finding the Fourth Proportional to 38,681.17, 58,022.27 and 12,385.91

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Solution

The fourth proportional to 38,681.17, 58,022.27 and 12,385.91 is: 18,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.17 : 58,022.27 = 12,385.91 : x
  2. Step 2: Convert to fraction form
    38,681.17/58,022.27 = 12,385.91/x
  3. Step 3: Cross multiply
    38,681.17x = 58,022.27 × 12,385.91
  4. Step 4: Simplify right side
    38,681.17x = 718,658,614.22
  5. Step 5: Solve for x
    x = 718,658,614.22/38,681.17
  6. Step 6: Final answer
    x = 18,579.03

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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.