Home / 42,384.36-58,487.49-23,520

Finding the Fourth Proportional to 42,384.36, 58,487.49 and 23,520

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Solution

The fourth proportional to 42,384.36, 58,487.49 and 23,520 is: 32,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.36 : 58,487.49 = 23,520 : x
  2. Step 2: Convert to fraction form
    42,384.36/58,487.49 = 23,520/x
  3. Step 3: Cross multiply
    42,384.36x = 58,487.49 × 23,520
  4. Step 4: Simplify right side
    42,384.36x = 1,375,625,764.80
  5. Step 5: Solve for x
    x = 1,375,625,764.80/42,384.36
  6. Step 6: Final answer
    x = 32,455.98

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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.