Home / 51,423.71-70,968.35-28,764.82

Finding the Fourth Proportional to 51,423.71, 70,968.35 and 28,764.82

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Solution

The fourth proportional to 51,423.71, 70,968.35 and 28,764.82 is: 39,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.71 : 70,968.35 = 28,764.82 : x
  2. Step 2: Convert to fraction form
    51,423.71/70,968.35 = 28,764.82/x
  3. Step 3: Cross multiply
    51,423.71x = 70,968.35 × 28,764.82
  4. Step 4: Simplify right side
    51,423.71x = 2,041,391,974.07
  5. Step 5: Solve for x
    x = 2,041,391,974.07/51,423.71
  6. Step 6: Final answer
    x = 39,697.48

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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.