Home / 34,419.68-47,496.36-19,310.30

Finding the Fourth Proportional to 34,419.68, 47,496.36 and 19,310.30

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Solution

The fourth proportional to 34,419.68, 47,496.36 and 19,310.30 is: 26,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,419.68 : 47,496.36 = 19,310.30 : x
  2. Step 2: Convert to fraction form
    34,419.68/47,496.36 = 19,310.30/x
  3. Step 3: Cross multiply
    34,419.68x = 47,496.36 × 19,310.30
  4. Step 4: Simplify right side
    34,419.68x = 917,168,960.51
  5. Step 5: Solve for x
    x = 917,168,960.51/34,419.68
  6. Step 6: Final answer
    x = 26,646.64

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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.