Home / 51,506.34-77,127.38-35,688.90

Finding the Fourth Proportional to 51,506.34, 77,127.38 and 35,688.90

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Solution

The fourth proportional to 51,506.34, 77,127.38 and 35,688.90 is: 53,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,506.34 : 77,127.38 = 35,688.90 : x
  2. Step 2: Convert to fraction form
    51,506.34/77,127.38 = 35,688.90/x
  3. Step 3: Cross multiply
    51,506.34x = 77,127.38 × 35,688.90
  4. Step 4: Simplify right side
    51,506.34x = 2,752,591,352.08
  5. Step 5: Solve for x
    x = 2,752,591,352.08/51,506.34
  6. Step 6: Final answer
    x = 53,441.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.