Home / 57,432.02-86,169.63-19,994.90

Finding the Fourth Proportional to 57,432.02, 86,169.63 and 19,994.90

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Solution

The fourth proportional to 57,432.02, 86,169.63 and 19,994.90 is: 29,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.02 : 86,169.63 = 19,994.90 : x
  2. Step 2: Convert to fraction form
    57,432.02/86,169.63 = 19,994.90/x
  3. Step 3: Cross multiply
    57,432.02x = 86,169.63 × 19,994.90
  4. Step 4: Simplify right side
    57,432.02x = 1,722,953,134.89
  5. Step 5: Solve for x
    x = 1,722,953,134.89/57,432.02
  6. Step 6: Final answer
    x = 29,999.87

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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.