Home / 47,079.19-70,629.65-13,801.82

Finding the Fourth Proportional to 47,079.19, 70,629.65 and 13,801.82

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Solution

The fourth proportional to 47,079.19, 70,629.65 and 13,801.82 is: 20,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.19 : 70,629.65 = 13,801.82 : x
  2. Step 2: Convert to fraction form
    47,079.19/70,629.65 = 13,801.82/x
  3. Step 3: Cross multiply
    47,079.19x = 70,629.65 × 13,801.82
  4. Step 4: Simplify right side
    47,079.19x = 974,817,646.95
  5. Step 5: Solve for x
    x = 974,817,646.95/47,079.19
  6. Step 6: Final answer
    x = 20,705.92

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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.