Home / 42,407.45-58,520-23,543.36

Finding the Fourth Proportional to 42,407.45, 58,520 and 23,543.36

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Solution

The fourth proportional to 42,407.45, 58,520 and 23,543.36 is: 32,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.45 : 58,520 = 23,543.36 : x
  2. Step 2: Convert to fraction form
    42,407.45/58,520 = 23,543.36/x
  3. Step 3: Cross multiply
    42,407.45x = 58,520 × 23,543.36
  4. Step 4: Simplify right side
    42,407.45x = 1,377,757,427.20
  5. Step 5: Solve for x
    x = 1,377,757,427.20/42,407.45
  6. Step 6: Final answer
    x = 32,488.57

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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.