Home / 42,305.88-58,334.90-28,884.18

Finding the Fourth Proportional to 42,305.88, 58,334.90 and 28,884.18

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Solution

The fourth proportional to 42,305.88, 58,334.90 and 28,884.18 is: 39,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,305.88 : 58,334.90 = 28,884.18 : x
  2. Step 2: Convert to fraction form
    42,305.88/58,334.90 = 28,884.18/x
  3. Step 3: Cross multiply
    42,305.88x = 58,334.90 × 28,884.18
  4. Step 4: Simplify right side
    42,305.88x = 1,684,955,751.88
  5. Step 5: Solve for x
    x = 1,684,955,751.88/42,305.88
  6. Step 6: Final answer
    x = 39,827.93

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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.