Home / 39,386.20-59,058.76-19,387.32

Finding the Fourth Proportional to 39,386.20, 59,058.76 and 19,387.32

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Solution

The fourth proportional to 39,386.20, 59,058.76 and 19,387.32 is: 29,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.20 : 59,058.76 = 19,387.32 : x
  2. Step 2: Convert to fraction form
    39,386.20/59,058.76 = 19,387.32/x
  3. Step 3: Cross multiply
    39,386.20x = 59,058.76 × 19,387.32
  4. Step 4: Simplify right side
    39,386.20x = 1,144,991,078.92
  5. Step 5: Solve for x
    x = 1,144,991,078.92/39,386.20
  6. Step 6: Final answer
    x = 29,070.87

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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.