Home / 42,310.14-58,319.47-28,693.68

Finding the Fourth Proportional to 42,310.14, 58,319.47 and 28,693.68

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Solution

The fourth proportional to 42,310.14, 58,319.47 and 28,693.68 is: 39,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,310.14 : 58,319.47 = 28,693.68 : x
  2. Step 2: Convert to fraction form
    42,310.14/58,319.47 = 28,693.68/x
  3. Step 3: Cross multiply
    42,310.14x = 58,319.47 × 28,693.68
  4. Step 4: Simplify right side
    42,310.14x = 1,673,400,209.95
  5. Step 5: Solve for x
    x = 1,673,400,209.95/42,310.14
  6. Step 6: Final answer
    x = 39,550.81

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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.