Home / 30,476.50-42,062.04-18,537.53

Finding the Fourth Proportional to 30,476.50, 42,062.04 and 18,537.53

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Solution

The fourth proportional to 30,476.50, 42,062.04 and 18,537.53 is: 25,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.50 : 42,062.04 = 18,537.53 : x
  2. Step 2: Convert to fraction form
    30,476.50/42,062.04 = 18,537.53/x
  3. Step 3: Cross multiply
    30,476.50x = 42,062.04 × 18,537.53
  4. Step 4: Simplify right side
    30,476.50x = 779,726,118.05
  5. Step 5: Solve for x
    x = 779,726,118.05/30,476.50
  6. Step 6: Final answer
    x = 25,584.51

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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.