Home / 40,004.85-60,005.70-10,422.93

Finding the Fourth Proportional to 40,004.85, 60,005.70 and 10,422.93

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Solution

The fourth proportional to 40,004.85, 60,005.70 and 10,422.93 is: 15,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004.85 : 60,005.70 = 10,422.93 : x
  2. Step 2: Convert to fraction form
    40,004.85/60,005.70 = 10,422.93/x
  3. Step 3: Cross multiply
    40,004.85x = 60,005.70 × 10,422.93
  4. Step 4: Simplify right side
    40,004.85x = 625,435,210.70
  5. Step 5: Solve for x
    x = 625,435,210.70/40,004.85
  6. Step 6: Final answer
    x = 15,633.98

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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.