Home / 55,788.02-76,987.38-30,637.52

Finding the Fourth Proportional to 55,788.02, 76,987.38 and 30,637.52

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Solution

The fourth proportional to 55,788.02, 76,987.38 and 30,637.52 is: 42,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.02 : 76,987.38 = 30,637.52 : x
  2. Step 2: Convert to fraction form
    55,788.02/76,987.38 = 30,637.52/x
  3. Step 3: Cross multiply
    55,788.02x = 76,987.38 × 30,637.52
  4. Step 4: Simplify right side
    55,788.02x = 2,358,702,240.82
  5. Step 5: Solve for x
    x = 2,358,702,240.82/55,788.02
  6. Step 6: Final answer
    x = 42,279.73

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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.