Home / 31,501.13-47,252.61-11,775.91

Finding the Fourth Proportional to 31,501.13, 47,252.61 and 11,775.91

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Solution

The fourth proportional to 31,501.13, 47,252.61 and 11,775.91 is: 17,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.13 : 47,252.61 = 11,775.91 : x
  2. Step 2: Convert to fraction form
    31,501.13/47,252.61 = 11,775.91/x
  3. Step 3: Cross multiply
    31,501.13x = 47,252.61 × 11,775.91
  4. Step 4: Simplify right side
    31,501.13x = 556,442,482.63
  5. Step 5: Solve for x
    x = 556,442,482.63/31,501.13
  6. Step 6: Final answer
    x = 17,664.21

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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.