Home / 53,564.78-80,335.63-21,943.83

Finding the Fourth Proportional to 53,564.78, 80,335.63 and 21,943.83

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Solution

The fourth proportional to 53,564.78, 80,335.63 and 21,943.83 is: 32,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.78 : 80,335.63 = 21,943.83 : x
  2. Step 2: Convert to fraction form
    53,564.78/80,335.63 = 21,943.83/x
  3. Step 3: Cross multiply
    53,564.78x = 80,335.63 × 21,943.83
  4. Step 4: Simplify right side
    53,564.78x = 1,762,871,407.66
  5. Step 5: Solve for x
    x = 1,762,871,407.66/53,564.78
  6. Step 6: Final answer
    x = 32,911.02

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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.