Home / 55,988.21-77,263.72-30,837.71

Finding the Fourth Proportional to 55,988.21, 77,263.72 and 30,837.71

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Solution

The fourth proportional to 55,988.21, 77,263.72 and 30,837.71 is: 42,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.21 : 77,263.72 = 30,837.71 : x
  2. Step 2: Convert to fraction form
    55,988.21/77,263.72 = 30,837.71/x
  3. Step 3: Cross multiply
    55,988.21x = 77,263.72 × 30,837.71
  4. Step 4: Simplify right side
    55,988.21x = 2,382,635,727.47
  5. Step 5: Solve for x
    x = 2,382,635,727.47/55,988.21
  6. Step 6: Final answer
    x = 42,556.03

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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.