Home / 51,217.50-70,680.45-28,557.93

Finding the Fourth Proportional to 51,217.50, 70,680.45 and 28,557.93

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Solution

The fourth proportional to 51,217.50, 70,680.45 and 28,557.93 is: 39,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.50 : 70,680.45 = 28,557.93 : x
  2. Step 2: Convert to fraction form
    51,217.50/70,680.45 = 28,557.93/x
  3. Step 3: Cross multiply
    51,217.50x = 70,680.45 × 28,557.93
  4. Step 4: Simplify right side
    51,217.50x = 2,018,487,343.47
  5. Step 5: Solve for x
    x = 2,018,487,343.47/51,217.50
  6. Step 6: Final answer
    x = 39,410.11

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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.