Home / 49,655.31-74,440.98-21,554.12

Finding the Fourth Proportional to 49,655.31, 74,440.98 and 21,554.12

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Solution

The fourth proportional to 49,655.31, 74,440.98 and 21,554.12 is: 32,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,655.31 : 74,440.98 = 21,554.12 : x
  2. Step 2: Convert to fraction form
    49,655.31/74,440.98 = 21,554.12/x
  3. Step 3: Cross multiply
    49,655.31x = 74,440.98 × 21,554.12
  4. Step 4: Simplify right side
    49,655.31x = 1,604,509,443.63
  5. Step 5: Solve for x
    x = 1,604,509,443.63/49,655.31
  6. Step 6: Final answer
    x = 32,312.95

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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.