Home / 42,612.75-58,805.65-25,617.18

Finding the Fourth Proportional to 42,612.75, 58,805.65 and 25,617.18

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Solution

The fourth proportional to 42,612.75, 58,805.65 and 25,617.18 is: 35,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.75 : 58,805.65 = 25,617.18 : x
  2. Step 2: Convert to fraction form
    42,612.75/58,805.65 = 25,617.18/x
  3. Step 3: Cross multiply
    42,612.75x = 58,805.65 × 25,617.18
  4. Step 4: Simplify right side
    42,612.75x = 1,506,434,921.07
  5. Step 5: Solve for x
    x = 1,506,434,921.07/42,612.75
  6. Step 6: Final answer
    x = 35,351.74

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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.