Home / 30,478.01-42,063.14-17,052.66

Finding the Fourth Proportional to 30,478.01, 42,063.14 and 17,052.66

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Solution

The fourth proportional to 30,478.01, 42,063.14 and 17,052.66 is: 23,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.01 : 42,063.14 = 17,052.66 : x
  2. Step 2: Convert to fraction form
    30,478.01/42,063.14 = 17,052.66/x
  3. Step 3: Cross multiply
    30,478.01x = 42,063.14 × 17,052.66
  4. Step 4: Simplify right side
    30,478.01x = 717,288,424.95
  5. Step 5: Solve for x
    x = 717,288,424.95/30,478.01
  6. Step 6: Final answer
    x = 23,534.62

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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.