Home / 51,943.58-77,915.38-12,500.70

Finding the Fourth Proportional to 51,943.58, 77,915.38 and 12,500.70

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Solution

The fourth proportional to 51,943.58, 77,915.38 and 12,500.70 is: 18,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.58 : 77,915.38 = 12,500.70 : x
  2. Step 2: Convert to fraction form
    51,943.58/77,915.38 = 12,500.70/x
  3. Step 3: Cross multiply
    51,943.58x = 77,915.38 × 12,500.70
  4. Step 4: Simplify right side
    51,943.58x = 973,996,790.77
  5. Step 5: Solve for x
    x = 973,996,790.77/51,943.58
  6. Step 6: Final answer
    x = 18,751.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.