Home / 53,712.16-80,500.08-30,351.68

Finding the Fourth Proportional to 53,712.16, 80,500.08 and 30,351.68

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Solution

The fourth proportional to 53,712.16, 80,500.08 and 30,351.68 is: 45,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.16 : 80,500.08 = 30,351.68 : x
  2. Step 2: Convert to fraction form
    53,712.16/80,500.08 = 30,351.68/x
  3. Step 3: Cross multiply
    53,712.16x = 80,500.08 × 30,351.68
  4. Step 4: Simplify right side
    53,712.16x = 2,443,312,668.13
  5. Step 5: Solve for x
    x = 2,443,312,668.13/53,712.16
  6. Step 6: Final answer
    x = 45,489.00

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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.