Home / 40,005.19-60,011.25-10,422.96

Finding the Fourth Proportional to 40,005.19, 60,011.25 and 10,422.96

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Solution

The fourth proportional to 40,005.19, 60,011.25 and 10,422.96 is: 15,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.19 : 60,011.25 = 10,422.96 : x
  2. Step 2: Convert to fraction form
    40,005.19/60,011.25 = 10,422.96/x
  3. Step 3: Cross multiply
    40,005.19x = 60,011.25 × 10,422.96
  4. Step 4: Simplify right side
    40,005.19x = 625,494,558.24
  5. Step 5: Solve for x
    x = 625,494,558.24/40,005.19
  6. Step 6: Final answer
    x = 15,635.34

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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.