Home / 40,908.40-61,368.26-14,617.40

Finding the Fourth Proportional to 40,908.40, 61,368.26 and 14,617.40

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Solution

The fourth proportional to 40,908.40, 61,368.26 and 14,617.40 is: 21,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.40 : 61,368.26 = 14,617.40 : x
  2. Step 2: Convert to fraction form
    40,908.40/61,368.26 = 14,617.40/x
  3. Step 3: Cross multiply
    40,908.40x = 61,368.26 × 14,617.40
  4. Step 4: Simplify right side
    40,908.40x = 897,044,403.72
  5. Step 5: Solve for x
    x = 897,044,403.72/40,908.40
  6. Step 6: Final answer
    x = 21,928.12

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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.