Home / 34,321.87-47,364.98-19,214.16

Finding the Fourth Proportional to 34,321.87, 47,364.98 and 19,214.16

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Solution

The fourth proportional to 34,321.87, 47,364.98 and 19,214.16 is: 26,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.87 : 47,364.98 = 19,214.16 : x
  2. Step 2: Convert to fraction form
    34,321.87/47,364.98 = 19,214.16/x
  3. Step 3: Cross multiply
    34,321.87x = 47,364.98 × 19,214.16
  4. Step 4: Simplify right side
    34,321.87x = 910,078,304.12
  5. Step 5: Solve for x
    x = 910,078,304.12/34,321.87
  6. Step 6: Final answer
    x = 26,515.99

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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.