Home / 53,610.65-73,981.27-30,948.88

Finding the Fourth Proportional to 53,610.65, 73,981.27 and 30,948.88

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Solution

The fourth proportional to 53,610.65, 73,981.27 and 30,948.88 is: 42,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.65 : 73,981.27 = 30,948.88 : x
  2. Step 2: Convert to fraction form
    53,610.65/73,981.27 = 30,948.88/x
  3. Step 3: Cross multiply
    53,610.65x = 73,981.27 × 30,948.88
  4. Step 4: Simplify right side
    53,610.65x = 2,289,637,000.20
  5. Step 5: Solve for x
    x = 2,289,637,000.20/53,610.65
  6. Step 6: Final answer
    x = 42,708.62

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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.