Home / 42,902.26-64,213.66-38,810.14

Finding the Fourth Proportional to 42,902.26, 64,213.66 and 38,810.14

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Solution

The fourth proportional to 42,902.26, 64,213.66 and 38,810.14 is: 58,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902.26 : 64,213.66 = 38,810.14 : x
  2. Step 2: Convert to fraction form
    42,902.26/64,213.66 = 38,810.14/x
  3. Step 3: Cross multiply
    42,902.26x = 64,213.66 × 38,810.14
  4. Step 4: Simplify right side
    42,902.26x = 2,492,141,022.49
  5. Step 5: Solve for x
    x = 2,492,141,022.49/42,902.26
  6. Step 6: Final answer
    x = 58,088.81

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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.