Home / 51,920.40-71,650.43-29,259.74

Finding the Fourth Proportional to 51,920.40, 71,650.43 and 29,259.74

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Solution

The fourth proportional to 51,920.40, 71,650.43 and 29,259.74 is: 40,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.40 : 71,650.43 = 29,259.74 : x
  2. Step 2: Convert to fraction form
    51,920.40/71,650.43 = 29,259.74/x
  3. Step 3: Cross multiply
    51,920.40x = 71,650.43 × 29,259.74
  4. Step 4: Simplify right side
    51,920.40x = 2,096,473,204.96
  5. Step 5: Solve for x
    x = 2,096,473,204.96/51,920.40
  6. Step 6: Final answer
    x = 40,378.60

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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.