Home / 42,514.05-58,677.51-28,148.54

Finding the Fourth Proportional to 42,514.05, 58,677.51 and 28,148.54

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Solution

The fourth proportional to 42,514.05, 58,677.51 and 28,148.54 is: 38,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,514.05 : 58,677.51 = 28,148.54 : x
  2. Step 2: Convert to fraction form
    42,514.05/58,677.51 = 28,148.54/x
  3. Step 3: Cross multiply
    42,514.05x = 58,677.51 × 28,148.54
  4. Step 4: Simplify right side
    42,514.05x = 1,651,686,049.50
  5. Step 5: Solve for x
    x = 1,651,686,049.50/42,514.05
  6. Step 6: Final answer
    x = 38,850.35

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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.