Home / 31,357.02-47,006.68-13,576.46

Finding the Fourth Proportional to 31,357.02, 47,006.68 and 13,576.46

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Solution

The fourth proportional to 31,357.02, 47,006.68 and 13,576.46 is: 20,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.02 : 47,006.68 = 13,576.46 : x
  2. Step 2: Convert to fraction form
    31,357.02/47,006.68 = 13,576.46/x
  3. Step 3: Cross multiply
    31,357.02x = 47,006.68 × 13,576.46
  4. Step 4: Simplify right side
    31,357.02x = 638,184,331.65
  5. Step 5: Solve for x
    x = 638,184,331.65/31,357.02
  6. Step 6: Final answer
    x = 20,352.20

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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.