Home / 58,725.12-81,042.08-31,868.76

Finding the Fourth Proportional to 58,725.12, 81,042.08 and 31,868.76

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Solution

The fourth proportional to 58,725.12, 81,042.08 and 31,868.76 is: 43,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,725.12 : 81,042.08 = 31,868.76 : x
  2. Step 2: Convert to fraction form
    58,725.12/81,042.08 = 31,868.76/x
  3. Step 3: Cross multiply
    58,725.12x = 81,042.08 × 31,868.76
  4. Step 4: Simplify right side
    58,725.12x = 2,582,710,597.42
  5. Step 5: Solve for x
    x = 2,582,710,597.42/58,725.12
  6. Step 6: Final answer
    x = 43,979.66

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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.