Home / 40,777.60-61,151.71-14,116.35

Finding the Fourth Proportional to 40,777.60, 61,151.71 and 14,116.35

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Solution

The fourth proportional to 40,777.60, 61,151.71 and 14,116.35 is: 21,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.60 : 61,151.71 = 14,116.35 : x
  2. Step 2: Convert to fraction form
    40,777.60/61,151.71 = 14,116.35/x
  3. Step 3: Cross multiply
    40,777.60x = 61,151.71 × 14,116.35
  4. Step 4: Simplify right side
    40,777.60x = 863,238,941.46
  5. Step 5: Solve for x
    x = 863,238,941.46/40,777.60
  6. Step 6: Final answer
    x = 21,169.44

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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.