Home / 30,988.92-42,762.96-16,841.66

Finding the Fourth Proportional to 30,988.92, 42,762.96 and 16,841.66

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Solution

The fourth proportional to 30,988.92, 42,762.96 and 16,841.66 is: 23,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.92 : 42,762.96 = 16,841.66 : x
  2. Step 2: Convert to fraction form
    30,988.92/42,762.96 = 16,841.66/x
  3. Step 3: Cross multiply
    30,988.92x = 42,762.96 × 16,841.66
  4. Step 4: Simplify right side
    30,988.92x = 720,199,232.91
  5. Step 5: Solve for x
    x = 720,199,232.91/30,988.92
  6. Step 6: Final answer
    x = 23,240.54

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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.