Home / 55,587.12-76,721.10-43,463.64

Finding the Fourth Proportional to 55,587.12, 76,721.10 and 43,463.64

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Solution

The fourth proportional to 55,587.12, 76,721.10 and 43,463.64 is: 59,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.12 : 76,721.10 = 43,463.64 : x
  2. Step 2: Convert to fraction form
    55,587.12/76,721.10 = 43,463.64/x
  3. Step 3: Cross multiply
    55,587.12x = 76,721.10 × 43,463.64
  4. Step 4: Simplify right side
    55,587.12x = 3,334,578,270.80
  5. Step 5: Solve for x
    x = 3,334,578,270.80/55,587.12
  6. Step 6: Final answer
    x = 59,988.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.