Home / 37,490.42-56,119.77-20,581.13

Finding the Fourth Proportional to 37,490.42, 56,119.77 and 20,581.13

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Solution

The fourth proportional to 37,490.42, 56,119.77 and 20,581.13 is: 30,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490.42 : 56,119.77 = 20,581.13 : x
  2. Step 2: Convert to fraction form
    37,490.42/56,119.77 = 20,581.13/x
  3. Step 3: Cross multiply
    37,490.42x = 56,119.77 × 20,581.13
  4. Step 4: Simplify right side
    37,490.42x = 1,155,008,001.34
  5. Step 5: Solve for x
    x = 1,155,008,001.34/37,490.42
  6. Step 6: Final answer
    x = 30,808.09

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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.