Home / 56,648.28-84,955.05-18,690.54

Finding the Fourth Proportional to 56,648.28, 84,955.05 and 18,690.54

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Solution

The fourth proportional to 56,648.28, 84,955.05 and 18,690.54 is: 28,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,648.28 : 84,955.05 = 18,690.54 : x
  2. Step 2: Convert to fraction form
    56,648.28/84,955.05 = 18,690.54/x
  3. Step 3: Cross multiply
    56,648.28x = 84,955.05 × 18,690.54
  4. Step 4: Simplify right side
    56,648.28x = 1,587,855,919.52
  5. Step 5: Solve for x
    x = 1,587,855,919.52/56,648.28
  6. Step 6: Final answer
    x = 28,030.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.