Home / 30,071.12-41,497.84-16,642.40

Finding the Fourth Proportional to 30,071.12, 41,497.84 and 16,642.40

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Solution

The fourth proportional to 30,071.12, 41,497.84 and 16,642.40 is: 22,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.12 : 41,497.84 = 16,642.40 : x
  2. Step 2: Convert to fraction form
    30,071.12/41,497.84 = 16,642.40/x
  3. Step 3: Cross multiply
    30,071.12x = 41,497.84 × 16,642.40
  4. Step 4: Simplify right side
    30,071.12x = 690,623,652.42
  5. Step 5: Solve for x
    x = 690,623,652.42/30,071.12
  6. Step 6: Final answer
    x = 22,966.34

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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.