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Finding the Fourth Proportional to 32,779.40, 49,194.70 and 15,251.40

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Solution

The fourth proportional to 32,779.40, 49,194.70 and 15,251.40 is: 22,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.40 : 49,194.70 = 15,251.40 : x
  2. Step 2: Convert to fraction form
    32,779.40/49,194.70 = 15,251.40/x
  3. Step 3: Cross multiply
    32,779.40x = 49,194.70 × 15,251.40
  4. Step 4: Simplify right side
    32,779.40x = 750,288,047.58
  5. Step 5: Solve for x
    x = 750,288,047.58/32,779.40
  6. Step 6: Final answer
    x = 22,889.01

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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.