Home / 55,988.39-77,263.98-30,837.89

Finding the Fourth Proportional to 55,988.39, 77,263.98 and 30,837.89

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Solution

The fourth proportional to 55,988.39, 77,263.98 and 30,837.89 is: 42,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.39 : 77,263.98 = 30,837.89 : x
  2. Step 2: Convert to fraction form
    55,988.39/77,263.98 = 30,837.89/x
  3. Step 3: Cross multiply
    55,988.39x = 77,263.98 × 30,837.89
  4. Step 4: Simplify right side
    55,988.39x = 2,382,658,309.36
  5. Step 5: Solve for x
    x = 2,382,658,309.36/55,988.39
  6. Step 6: Final answer
    x = 42,556.29

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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.