Home / 42,600.60-63,900.90-17,637.24

Finding the Fourth Proportional to 42,600.60, 63,900.90 and 17,637.24

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Solution

The fourth proportional to 42,600.60, 63,900.90 and 17,637.24 is: 26,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.60 : 63,900.90 = 17,637.24 : x
  2. Step 2: Convert to fraction form
    42,600.60/63,900.90 = 17,637.24/x
  3. Step 3: Cross multiply
    42,600.60x = 63,900.90 × 17,637.24
  4. Step 4: Simplify right side
    42,600.60x = 1,127,035,509.52
  5. Step 5: Solve for x
    x = 1,127,035,509.52/42,600.60
  6. Step 6: Final answer
    x = 26,455.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.