Home / 29,273.86-40,402.65-21,770.02

Finding the Fourth Proportional to 29,273.86, 40,402.65 and 21,770.02

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Solution

The fourth proportional to 29,273.86, 40,402.65 and 21,770.02 is: 30,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,273.86 : 40,402.65 = 21,770.02 : x
  2. Step 2: Convert to fraction form
    29,273.86/40,402.65 = 21,770.02/x
  3. Step 3: Cross multiply
    29,273.86x = 40,402.65 × 21,770.02
  4. Step 4: Simplify right side
    29,273.86x = 879,566,498.55
  5. Step 5: Solve for x
    x = 879,566,498.55/29,273.86
  6. Step 6: Final answer
    x = 30,046.14

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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.