Home / 31,298.08-46,947.20-7,924.52

Finding the Fourth Proportional to 31,298.08, 46,947.20 and 7,924.52

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Solution

The fourth proportional to 31,298.08, 46,947.20 and 7,924.52 is: 11,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.08 : 46,947.20 = 7,924.52 : x
  2. Step 2: Convert to fraction form
    31,298.08/46,947.20 = 7,924.52/x
  3. Step 3: Cross multiply
    31,298.08x = 46,947.20 × 7,924.52
  4. Step 4: Simplify right side
    31,298.08x = 372,034,025.34
  5. Step 5: Solve for x
    x = 372,034,025.34/31,298.08
  6. Step 6: Final answer
    x = 11,886.80

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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.