Home / 30,624.88-42,262.13-19,301.69

Finding the Fourth Proportional to 30,624.88, 42,262.13 and 19,301.69

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Solution

The fourth proportional to 30,624.88, 42,262.13 and 19,301.69 is: 26,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.88 : 42,262.13 = 19,301.69 : x
  2. Step 2: Convert to fraction form
    30,624.88/42,262.13 = 19,301.69/x
  3. Step 3: Cross multiply
    30,624.88x = 42,262.13 × 19,301.69
  4. Step 4: Simplify right side
    30,624.88x = 815,730,224.18
  5. Step 5: Solve for x
    x = 815,730,224.18/30,624.88
  6. Step 6: Final answer
    x = 26,636.19

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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.