Home / 54,612.48-75,367.62-30,740.68

Finding the Fourth Proportional to 54,612.48, 75,367.62 and 30,740.68

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Solution

The fourth proportional to 54,612.48, 75,367.62 and 30,740.68 is: 42,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.48 : 75,367.62 = 30,740.68 : x
  2. Step 2: Convert to fraction form
    54,612.48/75,367.62 = 30,740.68/x
  3. Step 3: Cross multiply
    54,612.48x = 75,367.62 × 30,740.68
  4. Step 4: Simplify right side
    54,612.48x = 2,316,851,888.78
  5. Step 5: Solve for x
    x = 2,316,851,888.78/54,612.48
  6. Step 6: Final answer
    x = 42,423.49

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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.