Home / 53,799.29-80,666.13-20,483.76

Finding the Fourth Proportional to 53,799.29, 80,666.13 and 20,483.76

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Solution

The fourth proportional to 53,799.29, 80,666.13 and 20,483.76 is: 30,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,799.29 : 80,666.13 = 20,483.76 : x
  2. Step 2: Convert to fraction form
    53,799.29/80,666.13 = 20,483.76/x
  3. Step 3: Cross multiply
    53,799.29x = 80,666.13 × 20,483.76
  4. Step 4: Simplify right side
    53,799.29x = 1,652,345,684.27
  5. Step 5: Solve for x
    x = 1,652,345,684.27/53,799.29
  6. Step 6: Final answer
    x = 30,713.15

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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.