Home / 51,158.76-70,597.41-28,497.78

Finding the Fourth Proportional to 51,158.76, 70,597.41 and 28,497.78

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Solution

The fourth proportional to 51,158.76, 70,597.41 and 28,497.78 is: 39,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.76 : 70,597.41 = 28,497.78 : x
  2. Step 2: Convert to fraction form
    51,158.76/70,597.41 = 28,497.78/x
  3. Step 3: Cross multiply
    51,158.76x = 70,597.41 × 28,497.78
  4. Step 4: Simplify right side
    51,158.76x = 2,011,869,458.75
  5. Step 5: Solve for x
    x = 2,011,869,458.75/51,158.76
  6. Step 6: Final answer
    x = 39,326.00

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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.