Home / 49,428.50-74,065.10-38,211.35

Finding the Fourth Proportional to 49,428.50, 74,065.10 and 38,211.35

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Solution

The fourth proportional to 49,428.50, 74,065.10 and 38,211.35 is: 57,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.50 : 74,065.10 = 38,211.35 : x
  2. Step 2: Convert to fraction form
    49,428.50/74,065.10 = 38,211.35/x
  3. Step 3: Cross multiply
    49,428.50x = 74,065.10 × 38,211.35
  4. Step 4: Simplify right side
    49,428.50x = 2,830,127,184.09
  5. Step 5: Solve for x
    x = 2,830,127,184.09/49,428.50
  6. Step 6: Final answer
    x = 57,257.00

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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.