Home / 30,887.30-42,624.45-16,740.14

Finding the Fourth Proportional to 30,887.30, 42,624.45 and 16,740.14

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Solution

The fourth proportional to 30,887.30, 42,624.45 and 16,740.14 is: 23,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.30 : 42,624.45 = 16,740.14 : x
  2. Step 2: Convert to fraction form
    30,887.30/42,624.45 = 16,740.14/x
  3. Step 3: Cross multiply
    30,887.30x = 42,624.45 × 16,740.14
  4. Step 4: Simplify right side
    30,887.30x = 713,539,260.42
  5. Step 5: Solve for x
    x = 713,539,260.42/30,887.30
  6. Step 6: Final answer
    x = 23,101.38

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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.