Home / 39,412.36-59,057.76-19,398.88

Finding the Fourth Proportional to 39,412.36, 59,057.76 and 19,398.88

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Solution

The fourth proportional to 39,412.36, 59,057.76 and 19,398.88 is: 29,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.36 : 59,057.76 = 19,398.88 : x
  2. Step 2: Convert to fraction form
    39,412.36/59,057.76 = 19,398.88/x
  3. Step 3: Cross multiply
    39,412.36x = 59,057.76 × 19,398.88
  4. Step 4: Simplify right side
    39,412.36x = 1,145,654,399.31
  5. Step 5: Solve for x
    x = 1,145,654,399.31/39,412.36
  6. Step 6: Final answer
    x = 29,068.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.