Home / 51,307.30-70,805.18-28,337.06

Finding the Fourth Proportional to 51,307.30, 70,805.18 and 28,337.06

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Solution

The fourth proportional to 51,307.30, 70,805.18 and 28,337.06 is: 39,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307.30 : 70,805.18 = 28,337.06 : x
  2. Step 2: Convert to fraction form
    51,307.30/70,805.18 = 28,337.06/x
  3. Step 3: Cross multiply
    51,307.30x = 70,805.18 × 28,337.06
  4. Step 4: Simplify right side
    51,307.30x = 2,006,410,633.97
  5. Step 5: Solve for x
    x = 2,006,410,633.97/51,307.30
  6. Step 6: Final answer
    x = 39,105.75

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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.