Home / 51,602.17-71,211.81-28,946.20

Finding the Fourth Proportional to 51,602.17, 71,211.81 and 28,946.20

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Solution

The fourth proportional to 51,602.17, 71,211.81 and 28,946.20 is: 39,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.17 : 71,211.81 = 28,946.20 : x
  2. Step 2: Convert to fraction form
    51,602.17/71,211.81 = 28,946.20/x
  3. Step 3: Cross multiply
    51,602.17x = 71,211.81 × 28,946.20
  4. Step 4: Simplify right side
    51,602.17x = 2,061,311,294.62
  5. Step 5: Solve for x
    x = 2,061,311,294.62/51,602.17
  6. Step 6: Final answer
    x = 39,946.21

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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.