Home / 30,611.65-42,248.34-17,002.75

Finding the Fourth Proportional to 30,611.65, 42,248.34 and 17,002.75

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Solution

The fourth proportional to 30,611.65, 42,248.34 and 17,002.75 is: 23,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.65 : 42,248.34 = 17,002.75 : x
  2. Step 2: Convert to fraction form
    30,611.65/42,248.34 = 17,002.75/x
  3. Step 3: Cross multiply
    30,611.65x = 42,248.34 × 17,002.75
  4. Step 4: Simplify right side
    30,611.65x = 718,337,962.94
  5. Step 5: Solve for x
    x = 718,337,962.94/30,611.65
  6. Step 6: Final answer
    x = 23,466.16

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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.