Home / 30,988.44-42,762.24-16,841.16

Finding the Fourth Proportional to 30,988.44, 42,762.24 and 16,841.16

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Solution

The fourth proportional to 30,988.44, 42,762.24 and 16,841.16 is: 23,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.44 : 42,762.24 = 16,841.16 : x
  2. Step 2: Convert to fraction form
    30,988.44/42,762.24 = 16,841.16/x
  3. Step 3: Cross multiply
    30,988.44x = 42,762.24 × 16,841.16
  4. Step 4: Simplify right side
    30,988.44x = 720,165,725.80
  5. Step 5: Solve for x
    x = 720,165,725.80/30,988.44
  6. Step 6: Final answer
    x = 23,239.82

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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.