Home / 52,872.34-72,964.19-28,999.18

Finding the Fourth Proportional to 52,872.34, 72,964.19 and 28,999.18

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Solution

The fourth proportional to 52,872.34, 72,964.19 and 28,999.18 is: 40,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.34 : 72,964.19 = 28,999.18 : x
  2. Step 2: Convert to fraction form
    52,872.34/72,964.19 = 28,999.18/x
  3. Step 3: Cross multiply
    52,872.34x = 72,964.19 × 28,999.18
  4. Step 4: Simplify right side
    52,872.34x = 2,115,901,679.36
  5. Step 5: Solve for x
    x = 2,115,901,679.36/52,872.34
  6. Step 6: Final answer
    x = 40,019.07

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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.