Home / 51,013.85-70,378.88-29,499.62

Finding the Fourth Proportional to 51,013.85, 70,378.88 and 29,499.62

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Solution

The fourth proportional to 51,013.85, 70,378.88 and 29,499.62 is: 40,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.85 : 70,378.88 = 29,499.62 : x
  2. Step 2: Convert to fraction form
    51,013.85/70,378.88 = 29,499.62/x
  3. Step 3: Cross multiply
    51,013.85x = 70,378.88 × 29,499.62
  4. Step 4: Simplify right side
    51,013.85x = 2,076,149,716.63
  5. Step 5: Solve for x
    x = 2,076,149,716.63/51,013.85
  6. Step 6: Final answer
    x = 40,697.77

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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.