Home / 30,962.79-42,729.39-17,534.07

Finding the Fourth Proportional to 30,962.79, 42,729.39 and 17,534.07

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Solution

The fourth proportional to 30,962.79, 42,729.39 and 17,534.07 is: 24,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,962.79 : 42,729.39 = 17,534.07 : x
  2. Step 2: Convert to fraction form
    30,962.79/42,729.39 = 17,534.07/x
  3. Step 3: Cross multiply
    30,962.79x = 42,729.39 × 17,534.07
  4. Step 4: Simplify right side
    30,962.79x = 749,220,115.32
  5. Step 5: Solve for x
    x = 749,220,115.32/30,962.79
  6. Step 6: Final answer
    x = 24,197.44

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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.