Home / 53,931.06-80,844.35-20,625.48

Finding the Fourth Proportional to 53,931.06, 80,844.35 and 20,625.48

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Solution

The fourth proportional to 53,931.06, 80,844.35 and 20,625.48 is: 30,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.06 : 80,844.35 = 20,625.48 : x
  2. Step 2: Convert to fraction form
    53,931.06/80,844.35 = 20,625.48/x
  3. Step 3: Cross multiply
    53,931.06x = 80,844.35 × 20,625.48
  4. Step 4: Simplify right side
    53,931.06x = 1,667,453,420.91
  5. Step 5: Solve for x
    x = 1,667,453,420.91/53,931.06
  6. Step 6: Final answer
    x = 30,918.24

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1.5x scale

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.