Home / 37,196.48-55,812.80-18,478.40

Finding the Fourth Proportional to 37,196.48, 55,812.80 and 18,478.40

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Solution

The fourth proportional to 37,196.48, 55,812.80 and 18,478.40 is: 27,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,196.48 : 55,812.80 = 18,478.40 : x
  2. Step 2: Convert to fraction form
    37,196.48/55,812.80 = 18,478.40/x
  3. Step 3: Cross multiply
    37,196.48x = 55,812.80 × 18,478.40
  4. Step 4: Simplify right side
    37,196.48x = 1,031,331,243.52
  5. Step 5: Solve for x
    x = 1,031,331,243.52/37,196.48
  6. Step 6: Final answer
    x = 27,726.58

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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.