Home / 31,291.76-46,938.28-11,560.16

Finding the Fourth Proportional to 31,291.76, 46,938.28 and 11,560.16

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Solution

The fourth proportional to 31,291.76, 46,938.28 and 11,560.16 is: 17,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.76 : 46,938.28 = 11,560.16 : x
  2. Step 2: Convert to fraction form
    31,291.76/46,938.28 = 11,560.16/x
  3. Step 3: Cross multiply
    31,291.76x = 46,938.28 × 11,560.16
  4. Step 4: Simplify right side
    31,291.76x = 542,614,026.92
  5. Step 5: Solve for x
    x = 542,614,026.92/31,291.76
  6. Step 6: Final answer
    x = 17,340.48

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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.