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Finding the Fourth Proportional to 60,878.32, 91,317.51 and 39,950.75

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Solution

The fourth proportional to 60,878.32, 91,317.51 and 39,950.75 is: 59,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,878.32 : 91,317.51 = 39,950.75 : x
  2. Step 2: Convert to fraction form
    60,878.32/91,317.51 = 39,950.75/x
  3. Step 3: Cross multiply
    60,878.32x = 91,317.51 × 39,950.75
  4. Step 4: Simplify right side
    60,878.32x = 3,648,203,240.93
  5. Step 5: Solve for x
    x = 3,648,203,240.93/60,878.32
  6. Step 6: Final answer
    x = 59,926.15

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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.