Home / 31,325.52-46,955.28-12,618.84

Finding the Fourth Proportional to 31,325.52, 46,955.28 and 12,618.84

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Solution

The fourth proportional to 31,325.52, 46,955.28 and 12,618.84 is: 18,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.52 : 46,955.28 = 12,618.84 : x
  2. Step 2: Convert to fraction form
    31,325.52/46,955.28 = 12,618.84/x
  3. Step 3: Cross multiply
    31,325.52x = 46,955.28 × 12,618.84
  4. Step 4: Simplify right side
    31,325.52x = 592,521,165.48
  5. Step 5: Solve for x
    x = 592,521,165.48/31,325.52
  6. Step 6: Final answer
    x = 18,914.97

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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.