Home / 30,996.03-42,774.15-16,848.57

Finding the Fourth Proportional to 30,996.03, 42,774.15 and 16,848.57

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Solution

The fourth proportional to 30,996.03, 42,774.15 and 16,848.57 is: 23,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.03 : 42,774.15 = 16,848.57 : x
  2. Step 2: Convert to fraction form
    30,996.03/42,774.15 = 16,848.57/x
  3. Step 3: Cross multiply
    30,996.03x = 42,774.15 × 16,848.57
  4. Step 4: Simplify right side
    30,996.03x = 720,683,260.47
  5. Step 5: Solve for x
    x = 720,683,260.47/30,996.03
  6. Step 6: Final answer
    x = 23,250.82

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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.