Home / 48,129.47-72,189.45-14,840.55

Finding the Fourth Proportional to 48,129.47, 72,189.45 and 14,840.55

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Solution

The fourth proportional to 48,129.47, 72,189.45 and 14,840.55 is: 22,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.47 : 72,189.45 = 14,840.55 : x
  2. Step 2: Convert to fraction form
    48,129.47/72,189.45 = 14,840.55/x
  3. Step 3: Cross multiply
    48,129.47x = 72,189.45 × 14,840.55
  4. Step 4: Simplify right side
    48,129.47x = 1,071,331,067.99
  5. Step 5: Solve for x
    x = 1,071,331,067.99/48,129.47
  6. Step 6: Final answer
    x = 22,259.36

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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.