Home / 48,389.31-66,765.51-28,234.67

Finding the Fourth Proportional to 48,389.31, 66,765.51 and 28,234.67

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Solution

The fourth proportional to 48,389.31, 66,765.51 and 28,234.67 is: 38,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.31 : 66,765.51 = 28,234.67 : x
  2. Step 2: Convert to fraction form
    48,389.31/66,765.51 = 28,234.67/x
  3. Step 3: Cross multiply
    48,389.31x = 66,765.51 × 28,234.67
  4. Step 4: Simplify right side
    48,389.31x = 1,885,101,808.40
  5. Step 5: Solve for x
    x = 1,885,101,808.40/48,389.31
  6. Step 6: Final answer
    x = 38,956.99

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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.