Home / 52,261.18-72,071.31-40,305.58

Finding the Fourth Proportional to 52,261.18, 72,071.31 and 40,305.58

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Solution

The fourth proportional to 52,261.18, 72,071.31 and 40,305.58 is: 55,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.18 : 72,071.31 = 40,305.58 : x
  2. Step 2: Convert to fraction form
    52,261.18/72,071.31 = 40,305.58/x
  3. Step 3: Cross multiply
    52,261.18x = 72,071.31 × 40,305.58
  4. Step 4: Simplify right side
    52,261.18x = 2,904,875,950.91
  5. Step 5: Solve for x
    x = 2,904,875,950.91/52,261.18
  6. Step 6: Final answer
    x = 55,583.82

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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.