Home / 51,257.80-76,713.90-47,110.60

Finding the Fourth Proportional to 51,257.80, 76,713.90 and 47,110.60

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Solution

The fourth proportional to 51,257.80, 76,713.90 and 47,110.60 is: 70,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,257.80 : 76,713.90 = 47,110.60 : x
  2. Step 2: Convert to fraction form
    51,257.80/76,713.90 = 47,110.60/x
  3. Step 3: Cross multiply
    51,257.80x = 76,713.90 × 47,110.60
  4. Step 4: Simplify right side
    51,257.80x = 3,614,037,857.34
  5. Step 5: Solve for x
    x = 3,614,037,857.34/51,257.80
  6. Step 6: Final answer
    x = 70,507.08

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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.