Home / 37,808.81-52,176.34-20,814.76

Finding the Fourth Proportional to 37,808.81, 52,176.34 and 20,814.76

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Solution

The fourth proportional to 37,808.81, 52,176.34 and 20,814.76 is: 28,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.81 : 52,176.34 = 20,814.76 : x
  2. Step 2: Convert to fraction form
    37,808.81/52,176.34 = 20,814.76/x
  3. Step 3: Cross multiply
    37,808.81x = 52,176.34 × 20,814.76
  4. Step 4: Simplify right side
    37,808.81x = 1,086,037,994.78
  5. Step 5: Solve for x
    x = 1,086,037,994.78/37,808.81
  6. Step 6: Final answer
    x = 28,724.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.