Home / 42,356.40-58,442.40-25,589.04

Finding the Fourth Proportional to 42,356.40, 58,442.40 and 25,589.04

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Solution

The fourth proportional to 42,356.40, 58,442.40 and 25,589.04 is: 35,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.40 : 58,442.40 = 25,589.04 : x
  2. Step 2: Convert to fraction form
    42,356.40/58,442.40 = 25,589.04/x
  3. Step 3: Cross multiply
    42,356.40x = 58,442.40 × 25,589.04
  4. Step 4: Simplify right side
    42,356.40x = 1,495,484,911.30
  5. Step 5: Solve for x
    x = 1,495,484,911.30/42,356.40
  6. Step 6: Final answer
    x = 35,307.18

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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.