Home / 53,947.47-80,865.01-30,220.23

Finding the Fourth Proportional to 53,947.47, 80,865.01 and 30,220.23

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Solution

The fourth proportional to 53,947.47, 80,865.01 and 30,220.23 is: 45,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,947.47 : 80,865.01 = 30,220.23 : x
  2. Step 2: Convert to fraction form
    53,947.47/80,865.01 = 30,220.23/x
  3. Step 3: Cross multiply
    53,947.47x = 80,865.01 × 30,220.23
  4. Step 4: Simplify right side
    53,947.47x = 2,443,759,201.15
  5. Step 5: Solve for x
    x = 2,443,759,201.15/53,947.47
  6. Step 6: Final answer
    x = 45,298.87

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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.