Home / 30,887.56-42,624.83-16,740.41

Finding the Fourth Proportional to 30,887.56, 42,624.83 and 16,740.41

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Solution

The fourth proportional to 30,887.56, 42,624.83 and 16,740.41 is: 23,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.56 : 42,624.83 = 16,740.41 : x
  2. Step 2: Convert to fraction form
    30,887.56/42,624.83 = 16,740.41/x
  3. Step 3: Cross multiply
    30,887.56x = 42,624.83 × 16,740.41
  4. Step 4: Simplify right side
    30,887.56x = 713,556,959.11
  5. Step 5: Solve for x
    x = 713,556,959.11/30,887.56
  6. Step 6: Final answer
    x = 23,101.76

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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.