Home / 30,478.23-42,063.44-17,052.88

Finding the Fourth Proportional to 30,478.23, 42,063.44 and 17,052.88

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Solution

The fourth proportional to 30,478.23, 42,063.44 and 17,052.88 is: 23,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.23 : 42,063.44 = 17,052.88 : x
  2. Step 2: Convert to fraction form
    30,478.23/42,063.44 = 17,052.88/x
  3. Step 3: Cross multiply
    30,478.23x = 42,063.44 × 17,052.88
  4. Step 4: Simplify right side
    30,478.23x = 717,302,794.71
  5. Step 5: Solve for x
    x = 717,302,794.71/30,478.23
  6. Step 6: Final answer
    x = 23,534.92

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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.