Home / 56,149.39-77,483.75-30,655.25

Finding the Fourth Proportional to 56,149.39, 77,483.75 and 30,655.25

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Solution

The fourth proportional to 56,149.39, 77,483.75 and 30,655.25 is: 42,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.39 : 77,483.75 = 30,655.25 : x
  2. Step 2: Convert to fraction form
    56,149.39/77,483.75 = 30,655.25/x
  3. Step 3: Cross multiply
    56,149.39x = 77,483.75 × 30,655.25
  4. Step 4: Simplify right side
    56,149.39x = 2,375,283,727.19
  5. Step 5: Solve for x
    x = 2,375,283,727.19/56,149.39
  6. Step 6: Final answer
    x = 42,302.93

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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.