Home / 37,788.12-52,148.70-21,877.56

Finding the Fourth Proportional to 37,788.12, 52,148.70 and 21,877.56

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Solution

The fourth proportional to 37,788.12, 52,148.70 and 21,877.56 is: 30,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,788.12 : 52,148.70 = 21,877.56 : x
  2. Step 2: Convert to fraction form
    37,788.12/52,148.70 = 21,877.56/x
  3. Step 3: Cross multiply
    37,788.12x = 52,148.70 × 21,877.56
  4. Step 4: Simplify right side
    37,788.12x = 1,140,886,313.17
  5. Step 5: Solve for x
    x = 1,140,886,313.17/37,788.12
  6. Step 6: Final answer
    x = 30,191.67

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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.