Home / 31,587.62-47,340.33-12,845.81

Finding the Fourth Proportional to 31,587.62, 47,340.33 and 12,845.81

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Solution

The fourth proportional to 31,587.62, 47,340.33 and 12,845.81 is: 19,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.62 : 47,340.33 = 12,845.81 : x
  2. Step 2: Convert to fraction form
    31,587.62/47,340.33 = 12,845.81/x
  3. Step 3: Cross multiply
    31,587.62x = 47,340.33 × 12,845.81
  4. Step 4: Simplify right side
    31,587.62x = 608,124,647.82
  5. Step 5: Solve for x
    x = 608,124,647.82/31,587.62
  6. Step 6: Final answer
    x = 19,252.00

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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.