Home / 30,988.35-42,764.18-16,841.19

Finding the Fourth Proportional to 30,988.35, 42,764.18 and 16,841.19

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Solution

The fourth proportional to 30,988.35, 42,764.18 and 16,841.19 is: 23,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.35 : 42,764.18 = 16,841.19 : x
  2. Step 2: Convert to fraction form
    30,988.35/42,764.18 = 16,841.19/x
  3. Step 3: Cross multiply
    30,988.35x = 42,764.18 × 16,841.19
  4. Step 4: Simplify right side
    30,988.35x = 720,199,680.57
  5. Step 5: Solve for x
    x = 720,199,680.57/30,988.35
  6. Step 6: Final answer
    x = 23,240.98

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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.