Home / 40,320.11-60,480.27-12,240.38

Finding the Fourth Proportional to 40,320.11, 60,480.27 and 12,240.38

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Solution

The fourth proportional to 40,320.11, 60,480.27 and 12,240.38 is: 18,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.11 : 60,480.27 = 12,240.38 : x
  2. Step 2: Convert to fraction form
    40,320.11/60,480.27 = 12,240.38/x
  3. Step 3: Cross multiply
    40,320.11x = 60,480.27 × 12,240.38
  4. Step 4: Simplify right side
    40,320.11x = 740,301,638.50
  5. Step 5: Solve for x
    x = 740,301,638.50/40,320.11
  6. Step 6: Final answer
    x = 18,360.60

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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.