Home / 42,442.07-58,588.01-28,647.39

Finding the Fourth Proportional to 42,442.07, 58,588.01 and 28,647.39

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Solution

The fourth proportional to 42,442.07, 58,588.01 and 28,647.39 is: 39,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.07 : 58,588.01 = 28,647.39 : x
  2. Step 2: Convert to fraction form
    42,442.07/58,588.01 = 28,647.39/x
  3. Step 3: Cross multiply
    42,442.07x = 58,588.01 × 28,647.39
  4. Step 4: Simplify right side
    42,442.07x = 1,678,393,426.13
  5. Step 5: Solve for x
    x = 1,678,393,426.13/42,442.07
  6. Step 6: Final answer
    x = 39,545.51

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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.