Home / 53,655.32-74,043.20-29,780.56

Finding the Fourth Proportional to 53,655.32, 74,043.20 and 29,780.56

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Solution

The fourth proportional to 53,655.32, 74,043.20 and 29,780.56 is: 41,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.32 : 74,043.20 = 29,780.56 : x
  2. Step 2: Convert to fraction form
    53,655.32/74,043.20 = 29,780.56/x
  3. Step 3: Cross multiply
    53,655.32x = 74,043.20 × 29,780.56
  4. Step 4: Simplify right side
    53,655.32x = 2,205,047,960.19
  5. Step 5: Solve for x
    x = 2,205,047,960.19/53,655.32
  6. Step 6: Final answer
    x = 41,096.54

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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.