Home / 31,552.07-47,346.19-12,828.65

Finding the Fourth Proportional to 31,552.07, 47,346.19 and 12,828.65

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Solution

The fourth proportional to 31,552.07, 47,346.19 and 12,828.65 is: 19,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.07 : 47,346.19 = 12,828.65 : x
  2. Step 2: Convert to fraction form
    31,552.07/47,346.19 = 12,828.65/x
  3. Step 3: Cross multiply
    31,552.07x = 47,346.19 × 12,828.65
  4. Step 4: Simplify right side
    31,552.07x = 607,387,431.54
  5. Step 5: Solve for x
    x = 607,387,431.54/31,552.07
  6. Step 6: Final answer
    x = 19,250.32

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1.5x scale

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.