Home / 40,931.16-61,394.58-13,227

Finding the Fourth Proportional to 40,931.16, 61,394.58 and 13,227

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Solution

The fourth proportional to 40,931.16, 61,394.58 and 13,227 is: 19,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.16 : 61,394.58 = 13,227 : x
  2. Step 2: Convert to fraction form
    40,931.16/61,394.58 = 13,227/x
  3. Step 3: Cross multiply
    40,931.16x = 61,394.58 × 13,227
  4. Step 4: Simplify right side
    40,931.16x = 812,066,109.66
  5. Step 5: Solve for x
    x = 812,066,109.66/40,931.16
  6. Step 6: Final answer
    x = 19,839.80

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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.