Home / 40,423.55-60,613.01-18,761.40

Finding the Fourth Proportional to 40,423.55, 60,613.01 and 18,761.40

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Solution

The fourth proportional to 40,423.55, 60,613.01 and 18,761.40 is: 28,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.55 : 60,613.01 = 18,761.40 : x
  2. Step 2: Convert to fraction form
    40,423.55/60,613.01 = 18,761.40/x
  3. Step 3: Cross multiply
    40,423.55x = 60,613.01 × 18,761.40
  4. Step 4: Simplify right side
    40,423.55x = 1,137,184,925.81
  5. Step 5: Solve for x
    x = 1,137,184,925.81/40,423.55
  6. Step 6: Final answer
    x = 28,131.74

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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.