Home / 50,778.47-70,073.81-29,260.31

Finding the Fourth Proportional to 50,778.47, 70,073.81 and 29,260.31

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Solution

The fourth proportional to 50,778.47, 70,073.81 and 29,260.31 is: 40,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.47 : 70,073.81 = 29,260.31 : x
  2. Step 2: Convert to fraction form
    50,778.47/70,073.81 = 29,260.31/x
  3. Step 3: Cross multiply
    50,778.47x = 70,073.81 × 29,260.31
  4. Step 4: Simplify right side
    50,778.47x = 2,050,381,607.78
  5. Step 5: Solve for x
    x = 2,050,381,607.78/50,778.47
  6. Step 6: Final answer
    x = 40,378.96

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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.