Home / 35,776.80-53,721.36-30,301.92

Finding the Fourth Proportional to 35,776.80, 53,721.36 and 30,301.92

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Solution

The fourth proportional to 35,776.80, 53,721.36 and 30,301.92 is: 45,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.80 : 53,721.36 = 30,301.92 : x
  2. Step 2: Convert to fraction form
    35,776.80/53,721.36 = 30,301.92/x
  3. Step 3: Cross multiply
    35,776.80x = 53,721.36 × 30,301.92
  4. Step 4: Simplify right side
    35,776.80x = 1,627,860,353.01
  5. Step 5: Solve for x
    x = 1,627,860,353.01/35,776.80
  6. Step 6: Final answer
    x = 45,500.45

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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.