Home / 31,580.01-47,345.04-11,856.38

Finding the Fourth Proportional to 31,580.01, 47,345.04 and 11,856.38

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Solution

The fourth proportional to 31,580.01, 47,345.04 and 11,856.38 is: 17,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.01 : 47,345.04 = 11,856.38 : x
  2. Step 2: Convert to fraction form
    31,580.01/47,345.04 = 11,856.38/x
  3. Step 3: Cross multiply
    31,580.01x = 47,345.04 × 11,856.38
  4. Step 4: Simplify right side
    31,580.01x = 561,340,548.63
  5. Step 5: Solve for x
    x = 561,340,548.63/31,580.01
  6. Step 6: Final answer
    x = 17,775.19

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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.