Home / 52,271.19-72,129.04-29,605.66

Finding the Fourth Proportional to 52,271.19, 72,129.04 and 29,605.66

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Solution

The fourth proportional to 52,271.19, 72,129.04 and 29,605.66 is: 40,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.19 : 72,129.04 = 29,605.66 : x
  2. Step 2: Convert to fraction form
    52,271.19/72,129.04 = 29,605.66/x
  3. Step 3: Cross multiply
    52,271.19x = 72,129.04 × 29,605.66
  4. Step 4: Simplify right side
    52,271.19x = 2,135,427,580.03
  5. Step 5: Solve for x
    x = 2,135,427,580.03/52,271.19
  6. Step 6: Final answer
    x = 40,852.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.