Home / 66,278.98-91,462.24-36,064.42

Finding the Fourth Proportional to 66,278.98, 91,462.24 and 36,064.42

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Solution

The fourth proportional to 66,278.98, 91,462.24 and 36,064.42 is: 49,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.98 : 91,462.24 = 36,064.42 : x
  2. Step 2: Convert to fraction form
    66,278.98/91,462.24 = 36,064.42/x
  3. Step 3: Cross multiply
    66,278.98x = 91,462.24 × 36,064.42
  4. Step 4: Simplify right side
    66,278.98x = 3,298,532,637.50
  5. Step 5: Solve for x
    x = 3,298,532,637.50/66,278.98
  6. Step 6: Final answer
    x = 49,767.40

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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.