Home / 51,013.35-70,378.18-29,499.12

Finding the Fourth Proportional to 51,013.35, 70,378.18 and 29,499.12

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Solution

The fourth proportional to 51,013.35, 70,378.18 and 29,499.12 is: 40,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.35 : 70,378.18 = 29,499.12 : x
  2. Step 2: Convert to fraction form
    51,013.35/70,378.18 = 29,499.12/x
  3. Step 3: Cross multiply
    51,013.35x = 70,378.18 × 29,499.12
  4. Step 4: Simplify right side
    51,013.35x = 2,076,094,377.20
  5. Step 5: Solve for x
    x = 2,076,094,377.20/51,013.35
  6. Step 6: Final answer
    x = 40,697.08

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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.