Home / 54,615.64-75,346.08-31,319.68

Finding the Fourth Proportional to 54,615.64, 75,346.08 and 31,319.68

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Solution

The fourth proportional to 54,615.64, 75,346.08 and 31,319.68 is: 43,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.64 : 75,346.08 = 31,319.68 : x
  2. Step 2: Convert to fraction form
    54,615.64/75,346.08 = 31,319.68/x
  3. Step 3: Cross multiply
    54,615.64x = 75,346.08 × 31,319.68
  4. Step 4: Simplify right side
    54,615.64x = 2,359,815,114.85
  5. Step 5: Solve for x
    x = 2,359,815,114.85/54,615.64
  6. Step 6: Final answer
    x = 43,207.68

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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.