Home / 38,666.46-53,363.46-21,673.59

Finding the Fourth Proportional to 38,666.46, 53,363.46 and 21,673.59

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Solution

The fourth proportional to 38,666.46, 53,363.46 and 21,673.59 is: 29,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.46 : 53,363.46 = 21,673.59 : x
  2. Step 2: Convert to fraction form
    38,666.46/53,363.46 = 21,673.59/x
  3. Step 3: Cross multiply
    38,666.46x = 53,363.46 × 21,673.59
  4. Step 4: Simplify right side
    38,666.46x = 1,156,577,753.02
  5. Step 5: Solve for x
    x = 1,156,577,753.02/38,666.46
  6. Step 6: Final answer
    x = 29,911.65

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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.