Home / 30,947.22-42,705.93-16,799.70

Finding the Fourth Proportional to 30,947.22, 42,705.93 and 16,799.70

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Solution

The fourth proportional to 30,947.22, 42,705.93 and 16,799.70 is: 23,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.22 : 42,705.93 = 16,799.70 : x
  2. Step 2: Convert to fraction form
    30,947.22/42,705.93 = 16,799.70/x
  3. Step 3: Cross multiply
    30,947.22x = 42,705.93 × 16,799.70
  4. Step 4: Simplify right side
    30,947.22x = 717,446,812.22
  5. Step 5: Solve for x
    x = 717,446,812.22/30,947.22
  6. Step 6: Final answer
    x = 23,182.92

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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.