Home / 39,612.40-59,335.80-18,570.40

Finding the Fourth Proportional to 39,612.40, 59,335.80 and 18,570.40

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Solution

The fourth proportional to 39,612.40, 59,335.80 and 18,570.40 is: 27,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.40 : 59,335.80 = 18,570.40 : x
  2. Step 2: Convert to fraction form
    39,612.40/59,335.80 = 18,570.40/x
  3. Step 3: Cross multiply
    39,612.40x = 59,335.80 × 18,570.40
  4. Step 4: Simplify right side
    39,612.40x = 1,101,889,540.32
  5. Step 5: Solve for x
    x = 1,101,889,540.32/39,612.40
  6. Step 6: Final answer
    x = 27,816.78

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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.