Home / 55,525.02-76,625.16-30,031.90

Finding the Fourth Proportional to 55,525.02, 76,625.16 and 30,031.90

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Solution

The fourth proportional to 55,525.02, 76,625.16 and 30,031.90 is: 41,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525.02 : 76,625.16 = 30,031.90 : x
  2. Step 2: Convert to fraction form
    55,525.02/76,625.16 = 30,031.90/x
  3. Step 3: Cross multiply
    55,525.02x = 76,625.16 × 30,031.90
  4. Step 4: Simplify right side
    55,525.02x = 2,301,199,142.60
  5. Step 5: Solve for x
    x = 2,301,199,142.60/55,525.02
  6. Step 6: Final answer
    x = 41,444.36

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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.