Home / 37,154.79-55,637.03-20,496.30

Finding the Fourth Proportional to 37,154.79, 55,637.03 and 20,496.30

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Solution

The fourth proportional to 37,154.79, 55,637.03 and 20,496.30 is: 30,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.79 : 55,637.03 = 20,496.30 : x
  2. Step 2: Convert to fraction form
    37,154.79/55,637.03 = 20,496.30/x
  3. Step 3: Cross multiply
    37,154.79x = 55,637.03 × 20,496.30
  4. Step 4: Simplify right side
    37,154.79x = 1,140,353,155.51
  5. Step 5: Solve for x
    x = 1,140,353,155.51/37,154.79
  6. Step 6: Final answer
    x = 30,691.96

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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.