Home / 31,207.95-43,061.94-17,779.41

Finding the Fourth Proportional to 31,207.95, 43,061.94 and 17,779.41

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Solution

The fourth proportional to 31,207.95, 43,061.94 and 17,779.41 is: 24,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.95 : 43,061.94 = 17,779.41 : x
  2. Step 2: Convert to fraction form
    31,207.95/43,061.94 = 17,779.41/x
  3. Step 3: Cross multiply
    31,207.95x = 43,061.94 × 17,779.41
  4. Step 4: Simplify right side
    31,207.95x = 765,615,886.66
  5. Step 5: Solve for x
    x = 765,615,886.66/31,207.95
  6. Step 6: Final answer
    x = 24,532.72

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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.