Home / 51,077.87-70,442.60-35,756.57

Finding the Fourth Proportional to 51,077.87, 70,442.60 and 35,756.57

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Solution

The fourth proportional to 51,077.87, 70,442.60 and 35,756.57 is: 49,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.87 : 70,442.60 = 35,756.57 : x
  2. Step 2: Convert to fraction form
    51,077.87/70,442.60 = 35,756.57/x
  3. Step 3: Cross multiply
    51,077.87x = 70,442.60 × 35,756.57
  4. Step 4: Simplify right side
    51,077.87x = 2,518,785,757.88
  5. Step 5: Solve for x
    x = 2,518,785,757.88/51,077.87
  6. Step 6: Final answer
    x = 49,312.66

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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.