Home / 45,947.40-68,921.10-16,398.60

Finding the Fourth Proportional to 45,947.40, 68,921.10 and 16,398.60

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Solution

The fourth proportional to 45,947.40, 68,921.10 and 16,398.60 is: 24,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.40 : 68,921.10 = 16,398.60 : x
  2. Step 2: Convert to fraction form
    45,947.40/68,921.10 = 16,398.60/x
  3. Step 3: Cross multiply
    45,947.40x = 68,921.10 × 16,398.60
  4. Step 4: Simplify right side
    45,947.40x = 1,130,209,550.46
  5. Step 5: Solve for x
    x = 1,130,209,550.46/45,947.40
  6. Step 6: Final answer
    x = 24,597.90

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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.