Home / 55,304.62-76,319.40-30,154.12

Finding the Fourth Proportional to 55,304.62, 76,319.40 and 30,154.12

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Solution

The fourth proportional to 55,304.62, 76,319.40 and 30,154.12 is: 41,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.62 : 76,319.40 = 30,154.12 : x
  2. Step 2: Convert to fraction form
    55,304.62/76,319.40 = 30,154.12/x
  3. Step 3: Cross multiply
    55,304.62x = 76,319.40 × 30,154.12
  4. Step 4: Simplify right side
    55,304.62x = 2,301,344,345.93
  5. Step 5: Solve for x
    x = 2,301,344,345.93/55,304.62
  6. Step 6: Final answer
    x = 41,612.15

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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.