Home / 55,297.02-76,309.92-30,146.52

Finding the Fourth Proportional to 55,297.02, 76,309.92 and 30,146.52

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Solution

The fourth proportional to 55,297.02, 76,309.92 and 30,146.52 is: 41,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.02 : 76,309.92 = 30,146.52 : x
  2. Step 2: Convert to fraction form
    55,297.02/76,309.92 = 30,146.52/x
  3. Step 3: Cross multiply
    55,297.02x = 76,309.92 × 30,146.52
  4. Step 4: Simplify right side
    55,297.02x = 2,300,478,529.48
  5. Step 5: Solve for x
    x = 2,300,478,529.48/55,297.02
  6. Step 6: Final answer
    x = 41,602.22

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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.