Home / 30,822.12-42,534.45-16,675.20

Finding the Fourth Proportional to 30,822.12, 42,534.45 and 16,675.20

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Solution

The fourth proportional to 30,822.12, 42,534.45 and 16,675.20 is: 23,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.12 : 42,534.45 = 16,675.20 : x
  2. Step 2: Convert to fraction form
    30,822.12/42,534.45 = 16,675.20/x
  3. Step 3: Cross multiply
    30,822.12x = 42,534.45 × 16,675.20
  4. Step 4: Simplify right side
    30,822.12x = 709,270,460.64
  5. Step 5: Solve for x
    x = 709,270,460.64/30,822.12
  6. Step 6: Final answer
    x = 23,011.74

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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.