Home / 31,356.95-47,035.40-13,573.04

Finding the Fourth Proportional to 31,356.95, 47,035.40 and 13,573.04

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Solution

The fourth proportional to 31,356.95, 47,035.40 and 13,573.04 is: 20,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.95 : 47,035.40 = 13,573.04 : x
  2. Step 2: Convert to fraction form
    31,356.95/47,035.40 = 13,573.04/x
  3. Step 3: Cross multiply
    31,356.95x = 47,035.40 × 13,573.04
  4. Step 4: Simplify right side
    31,356.95x = 638,413,297.75
  5. Step 5: Solve for x
    x = 638,413,297.75/31,356.95
  6. Step 6: Final answer
    x = 20,359.55

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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.