Home / 30,259.17-41,758.67-16,647.78

Finding the Fourth Proportional to 30,259.17, 41,758.67 and 16,647.78

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Solution

The fourth proportional to 30,259.17, 41,758.67 and 16,647.78 is: 22,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.17 : 41,758.67 = 16,647.78 : x
  2. Step 2: Convert to fraction form
    30,259.17/41,758.67 = 16,647.78/x
  3. Step 3: Cross multiply
    30,259.17x = 41,758.67 × 16,647.78
  4. Step 4: Simplify right side
    30,259.17x = 695,189,068.01
  5. Step 5: Solve for x
    x = 695,189,068.01/30,259.17
  6. Step 6: Final answer
    x = 22,974.49

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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.