Home / 51,234.12-70,703.28-35,291.70

Finding the Fourth Proportional to 51,234.12, 70,703.28 and 35,291.70

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Solution

The fourth proportional to 51,234.12, 70,703.28 and 35,291.70 is: 48,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.12 : 70,703.28 = 35,291.70 : x
  2. Step 2: Convert to fraction form
    51,234.12/70,703.28 = 35,291.70/x
  3. Step 3: Cross multiply
    51,234.12x = 70,703.28 × 35,291.70
  4. Step 4: Simplify right side
    51,234.12x = 2,495,238,946.78
  5. Step 5: Solve for x
    x = 2,495,238,946.78/51,234.12
  6. Step 6: Final answer
    x = 48,702.68

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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.