Home / 55,294.02-76,305.78-30,143.52

Finding the Fourth Proportional to 55,294.02, 76,305.78 and 30,143.52

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Solution

The fourth proportional to 55,294.02, 76,305.78 and 30,143.52 is: 41,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.02 : 76,305.78 = 30,143.52 : x
  2. Step 2: Convert to fraction form
    55,294.02/76,305.78 = 30,143.52/x
  3. Step 3: Cross multiply
    55,294.02x = 76,305.78 × 30,143.52
  4. Step 4: Simplify right side
    55,294.02x = 2,300,124,805.55
  5. Step 5: Solve for x
    x = 2,300,124,805.55/55,294.02
  6. Step 6: Final answer
    x = 41,598.08

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1.5x scale

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.