Home / 32,243.40-47,974.96-31,439.88

Finding the Fourth Proportional to 32,243.40, 47,974.96 and 31,439.88

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Solution

The fourth proportional to 32,243.40, 47,974.96 and 31,439.88 is: 46,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,243.40 : 47,974.96 = 31,439.88 : x
  2. Step 2: Convert to fraction form
    32,243.40/47,974.96 = 31,439.88/x
  3. Step 3: Cross multiply
    32,243.40x = 47,974.96 × 31,439.88
  4. Step 4: Simplify right side
    32,243.40x = 1,508,326,985.40
  5. Step 5: Solve for x
    x = 1,508,326,985.40/32,243.40
  6. Step 6: Final answer
    x = 46,779.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.