Home / 42,689.88-58,912-23,569.68

Finding the Fourth Proportional to 42,689.88, 58,912 and 23,569.68

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Solution

The fourth proportional to 42,689.88, 58,912 and 23,569.68 is: 32,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.88 : 58,912 = 23,569.68 : x
  2. Step 2: Convert to fraction form
    42,689.88/58,912 = 23,569.68/x
  3. Step 3: Cross multiply
    42,689.88x = 58,912 × 23,569.68
  4. Step 4: Simplify right side
    42,689.88x = 1,388,536,988.16
  5. Step 5: Solve for x
    x = 1,388,536,988.16/42,689.88
  6. Step 6: Final answer
    x = 32,526.14

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1.5x scale

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.