Home / 40,292.20-60,438.30-26,295.40

Finding the Fourth Proportional to 40,292.20, 60,438.30 and 26,295.40

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Solution

The fourth proportional to 40,292.20, 60,438.30 and 26,295.40 is: 39,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.20 : 60,438.30 = 26,295.40 : x
  2. Step 2: Convert to fraction form
    40,292.20/60,438.30 = 26,295.40/x
  3. Step 3: Cross multiply
    40,292.20x = 60,438.30 × 26,295.40
  4. Step 4: Simplify right side
    40,292.20x = 1,589,249,273.82
  5. Step 5: Solve for x
    x = 1,589,249,273.82/40,292.20
  6. Step 6: Final answer
    x = 39,443.10

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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.