Home / 79,263.56-118,860.78-29,981

Finding the Fourth Proportional to 79,263.56, 118,860.78 and 29,981

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Solution

The fourth proportional to 79,263.56, 118,860.78 and 29,981 is: 44,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.56 : 118,860.78 = 29,981 : x
  2. Step 2: Convert to fraction form
    79,263.56/118,860.78 = 29,981/x
  3. Step 3: Cross multiply
    79,263.56x = 118,860.78 × 29,981
  4. Step 4: Simplify right side
    79,263.56x = 3,563,565,045.18
  5. Step 5: Solve for x
    x = 3,563,565,045.18/79,263.56
  6. Step 6: Final answer
    x = 44,958.43

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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.