Home / 29,302.60-40,437.66-15,873.80

Finding the Fourth Proportional to 29,302.60, 40,437.66 and 15,873.80

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Solution

The fourth proportional to 29,302.60, 40,437.66 and 15,873.80 is: 21,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.60 : 40,437.66 = 15,873.80 : x
  2. Step 2: Convert to fraction form
    29,302.60/40,437.66 = 15,873.80/x
  3. Step 3: Cross multiply
    29,302.60x = 40,437.66 × 15,873.80
  4. Step 4: Simplify right side
    29,302.60x = 641,899,327.31
  5. Step 5: Solve for x
    x = 641,899,327.31/29,302.60
  6. Step 6: Final answer
    x = 21,905.88

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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.