Home / 43,490.40-60,012-25,591.20

Finding the Fourth Proportional to 43,490.40, 60,012 and 25,591.20

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Solution

The fourth proportional to 43,490.40, 60,012 and 25,591.20 is: 35,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.40 : 60,012 = 25,591.20 : x
  2. Step 2: Convert to fraction form
    43,490.40/60,012 = 25,591.20/x
  3. Step 3: Cross multiply
    43,490.40x = 60,012 × 25,591.20
  4. Step 4: Simplify right side
    43,490.40x = 1,535,779,094.40
  5. Step 5: Solve for x
    x = 1,535,779,094.40/43,490.40
  6. Step 6: Final answer
    x = 35,313.06

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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.