Home / 51,799.79-77,688.44-18,522.15

Finding the Fourth Proportional to 51,799.79, 77,688.44 and 18,522.15

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Solution

The fourth proportional to 51,799.79, 77,688.44 and 18,522.15 is: 27,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,799.79 : 77,688.44 = 18,522.15 : x
  2. Step 2: Convert to fraction form
    51,799.79/77,688.44 = 18,522.15/x
  3. Step 3: Cross multiply
    51,799.79x = 77,688.44 × 18,522.15
  4. Step 4: Simplify right side
    51,799.79x = 1,438,956,938.95
  5. Step 5: Solve for x
    x = 1,438,956,938.95/51,799.79
  6. Step 6: Final answer
    x = 27,779.20

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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.