Home / 40,210.55-60,316.26-12,130.85

Finding the Fourth Proportional to 40,210.55, 60,316.26 and 12,130.85

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Solution

The fourth proportional to 40,210.55, 60,316.26 and 12,130.85 is: 18,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.55 : 60,316.26 = 12,130.85 : x
  2. Step 2: Convert to fraction form
    40,210.55/60,316.26 = 12,130.85/x
  3. Step 3: Cross multiply
    40,210.55x = 60,316.26 × 12,130.85
  4. Step 4: Simplify right side
    40,210.55x = 731,687,201.04
  5. Step 5: Solve for x
    x = 731,687,201.04/40,210.55
  6. Step 6: Final answer
    x = 18,196.40

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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.