Home / 53,543.02-80,327.28-18,482.98

Finding the Fourth Proportional to 53,543.02, 80,327.28 and 18,482.98

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Solution

The fourth proportional to 53,543.02, 80,327.28 and 18,482.98 is: 27,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.02 : 80,327.28 = 18,482.98 : x
  2. Step 2: Convert to fraction form
    53,543.02/80,327.28 = 18,482.98/x
  3. Step 3: Cross multiply
    53,543.02x = 80,327.28 × 18,482.98
  4. Step 4: Simplify right side
    53,543.02x = 1,484,687,509.69
  5. Step 5: Solve for x
    x = 1,484,687,509.69/53,543.02
  6. Step 6: Final answer
    x = 27,728.87

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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.