Home / 31,870.15-47,806.04-17,822.32

Finding the Fourth Proportional to 31,870.15, 47,806.04 and 17,822.32

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Solution

The fourth proportional to 31,870.15, 47,806.04 and 17,822.32 is: 26,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870.15 : 47,806.04 = 17,822.32 : x
  2. Step 2: Convert to fraction form
    31,870.15/47,806.04 = 17,822.32/x
  3. Step 3: Cross multiply
    31,870.15x = 47,806.04 × 17,822.32
  4. Step 4: Simplify right side
    31,870.15x = 852,014,542.81
  5. Step 5: Solve for x
    x = 852,014,542.81/31,870.15
  6. Step 6: Final answer
    x = 26,733.94

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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.