Home / 40,667.01-56,069.87-31,118.73

Finding the Fourth Proportional to 40,667.01, 56,069.87 and 31,118.73

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Solution

The fourth proportional to 40,667.01, 56,069.87 and 31,118.73 is: 42,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,667.01 : 56,069.87 = 31,118.73 : x
  2. Step 2: Convert to fraction form
    40,667.01/56,069.87 = 31,118.73/x
  3. Step 3: Cross multiply
    40,667.01x = 56,069.87 × 31,118.73
  4. Step 4: Simplify right side
    40,667.01x = 1,744,822,990.07
  5. Step 5: Solve for x
    x = 1,744,822,990.07/40,667.01
  6. Step 6: Final answer
    x = 42,905.12

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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.