Home / 30,586.80-42,211.86-17,839.02

Finding the Fourth Proportional to 30,586.80, 42,211.86 and 17,839.02

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Solution

The fourth proportional to 30,586.80, 42,211.86 and 17,839.02 is: 24,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.80 : 42,211.86 = 17,839.02 : x
  2. Step 2: Convert to fraction form
    30,586.80/42,211.86 = 17,839.02/x
  3. Step 3: Cross multiply
    30,586.80x = 42,211.86 × 17,839.02
  4. Step 4: Simplify right side
    30,586.80x = 753,018,214.78
  5. Step 5: Solve for x
    x = 753,018,214.78/30,586.80
  6. Step 6: Final answer
    x = 24,619.06

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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.