Home / 54,613.34-75,367.82-30,740.87

Finding the Fourth Proportional to 54,613.34, 75,367.82 and 30,740.87

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Solution

The fourth proportional to 54,613.34, 75,367.82 and 30,740.87 is: 42,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.34 : 75,367.82 = 30,740.87 : x
  2. Step 2: Convert to fraction form
    54,613.34/75,367.82 = 30,740.87/x
  3. Step 3: Cross multiply
    54,613.34x = 75,367.82 × 30,740.87
  4. Step 4: Simplify right side
    54,613.34x = 2,316,872,025.21
  5. Step 5: Solve for x
    x = 2,316,872,025.21/54,613.34
  6. Step 6: Final answer
    x = 42,423.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.