Home / 42,806.13-64,238.35-15,104.13

Finding the Fourth Proportional to 42,806.13, 64,238.35 and 15,104.13

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Solution

The fourth proportional to 42,806.13, 64,238.35 and 15,104.13 is: 22,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.13 : 64,238.35 = 15,104.13 : x
  2. Step 2: Convert to fraction form
    42,806.13/64,238.35 = 15,104.13/x
  3. Step 3: Cross multiply
    42,806.13x = 64,238.35 × 15,104.13
  4. Step 4: Simplify right side
    42,806.13x = 970,264,389.39
  5. Step 5: Solve for x
    x = 970,264,389.39/42,806.13
  6. Step 6: Final answer
    x = 22,666.48

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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.