Home / 39,943.08-59,904.30-11,856.48

Finding the Fourth Proportional to 39,943.08, 59,904.30 and 11,856.48

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Solution

The fourth proportional to 39,943.08, 59,904.30 and 11,856.48 is: 17,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.08 : 59,904.30 = 11,856.48 : x
  2. Step 2: Convert to fraction form
    39,943.08/59,904.30 = 11,856.48/x
  3. Step 3: Cross multiply
    39,943.08x = 59,904.30 × 11,856.48
  4. Step 4: Simplify right side
    39,943.08x = 710,254,134.86
  5. Step 5: Solve for x
    x = 710,254,134.86/39,943.08
  6. Step 6: Final answer
    x = 17,781.66

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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.