Home / 34,813.28-48,039.36-19,705.16

Finding the Fourth Proportional to 34,813.28, 48,039.36 and 19,705.16

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Solution

The fourth proportional to 34,813.28, 48,039.36 and 19,705.16 is: 27,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,813.28 : 48,039.36 = 19,705.16 : x
  2. Step 2: Convert to fraction form
    34,813.28/48,039.36 = 19,705.16/x
  3. Step 3: Cross multiply
    34,813.28x = 48,039.36 × 19,705.16
  4. Step 4: Simplify right side
    34,813.28x = 946,623,275.10
  5. Step 5: Solve for x
    x = 946,623,275.10/34,813.28
  6. Step 6: Final answer
    x = 27,191.44

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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.