Home / 42,035.88-58,011.66-23,172.96

Finding the Fourth Proportional to 42,035.88, 58,011.66 and 23,172.96

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Solution

The fourth proportional to 42,035.88, 58,011.66 and 23,172.96 is: 31,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.88 : 58,011.66 = 23,172.96 : x
  2. Step 2: Convert to fraction form
    42,035.88/58,011.66 = 23,172.96/x
  3. Step 3: Cross multiply
    42,035.88x = 58,011.66 × 23,172.96
  4. Step 4: Simplify right side
    42,035.88x = 1,344,301,876.71
  5. Step 5: Solve for x
    x = 1,344,301,876.71/42,035.88
  6. Step 6: Final answer
    x = 31,979.87

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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.