Home / 30,483.28-42,069.18-17,055.88

Finding the Fourth Proportional to 30,483.28, 42,069.18 and 17,055.88

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Solution

The fourth proportional to 30,483.28, 42,069.18 and 17,055.88 is: 23,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.28 : 42,069.18 = 17,055.88 : x
  2. Step 2: Convert to fraction form
    30,483.28/42,069.18 = 17,055.88/x
  3. Step 3: Cross multiply
    30,483.28x = 42,069.18 × 17,055.88
  4. Step 4: Simplify right side
    30,483.28x = 717,526,885.78
  5. Step 5: Solve for x
    x = 717,526,885.78/30,483.28
  6. Step 6: Final answer
    x = 23,538.38

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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.