Home / 39,316.89-58,991.13-14,358.63

Finding the Fourth Proportional to 39,316.89, 58,991.13 and 14,358.63

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Solution

The fourth proportional to 39,316.89, 58,991.13 and 14,358.63 is: 21,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.89 : 58,991.13 = 14,358.63 : x
  2. Step 2: Convert to fraction form
    39,316.89/58,991.13 = 14,358.63/x
  3. Step 3: Cross multiply
    39,316.89x = 58,991.13 × 14,358.63
  4. Step 4: Simplify right side
    39,316.89x = 847,031,808.95
  5. Step 5: Solve for x
    x = 847,031,808.95/39,316.89
  6. Step 6: Final answer
    x = 21,543.71

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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.