Home / 42,172.56-58,195.08-23,310

Finding the Fourth Proportional to 42,172.56, 58,195.08 and 23,310

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Solution

The fourth proportional to 42,172.56, 58,195.08 and 23,310 is: 32,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,172.56 : 58,195.08 = 23,310 : x
  2. Step 2: Convert to fraction form
    42,172.56/58,195.08 = 23,310/x
  3. Step 3: Cross multiply
    42,172.56x = 58,195.08 × 23,310
  4. Step 4: Simplify right side
    42,172.56x = 1,356,527,314.80
  5. Step 5: Solve for x
    x = 1,356,527,314.80/42,172.56
  6. Step 6: Final answer
    x = 32,166.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.