Home / 42,657.98-58,857.99-25,887.74

Finding the Fourth Proportional to 42,657.98, 58,857.99 and 25,887.74

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Solution

The fourth proportional to 42,657.98, 58,857.99 and 25,887.74 is: 35,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.98 : 58,857.99 = 25,887.74 : x
  2. Step 2: Convert to fraction form
    42,657.98/58,857.99 = 25,887.74/x
  3. Step 3: Cross multiply
    42,657.98x = 58,857.99 × 25,887.74
  4. Step 4: Simplify right side
    42,657.98x = 1,523,700,342.04
  5. Step 5: Solve for x
    x = 1,523,700,342.04/42,657.98
  6. Step 6: Final answer
    x = 35,719.00

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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.