Home / 30,478.25-45,717.06-23,127.86

Finding the Fourth Proportional to 30,478.25, 45,717.06 and 23,127.86

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Solution

The fourth proportional to 30,478.25, 45,717.06 and 23,127.86 is: 34,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.25 : 45,717.06 = 23,127.86 : x
  2. Step 2: Convert to fraction form
    30,478.25/45,717.06 = 23,127.86/x
  3. Step 3: Cross multiply
    30,478.25x = 45,717.06 × 23,127.86
  4. Step 4: Simplify right side
    30,478.25x = 1,057,337,763.29
  5. Step 5: Solve for x
    x = 1,057,337,763.29/30,478.25
  6. Step 6: Final answer
    x = 34,691.55

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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.