Home / 39,768.36-59,599.62-21,044.40

Finding the Fourth Proportional to 39,768.36, 59,599.62 and 21,044.40

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Solution

The fourth proportional to 39,768.36, 59,599.62 and 21,044.40 is: 31,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.36 : 59,599.62 = 21,044.40 : x
  2. Step 2: Convert to fraction form
    39,768.36/59,599.62 = 21,044.40/x
  3. Step 3: Cross multiply
    39,768.36x = 59,599.62 × 21,044.40
  4. Step 4: Simplify right side
    39,768.36x = 1,254,238,243.13
  5. Step 5: Solve for x
    x = 1,254,238,243.13/39,768.36
  6. Step 6: Final answer
    x = 31,538.60

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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.