Home / 40,395.34-60,605.36-20,687.84

Finding the Fourth Proportional to 40,395.34, 60,605.36 and 20,687.84

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Solution

The fourth proportional to 40,395.34, 60,605.36 and 20,687.84 is: 31,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.34 : 60,605.36 = 20,687.84 : x
  2. Step 2: Convert to fraction form
    40,395.34/60,605.36 = 20,687.84/x
  3. Step 3: Cross multiply
    40,395.34x = 60,605.36 × 20,687.84
  4. Step 4: Simplify right side
    40,395.34x = 1,253,793,990.82
  5. Step 5: Solve for x
    x = 1,253,793,990.82/40,395.34
  6. Step 6: Final answer
    x = 31,038.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.