Home / 51,492.60-77,240.34-18,207.96

Finding the Fourth Proportional to 51,492.60, 77,240.34 and 18,207.96

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Solution

The fourth proportional to 51,492.60, 77,240.34 and 18,207.96 is: 27,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.60 : 77,240.34 = 18,207.96 : x
  2. Step 2: Convert to fraction form
    51,492.60/77,240.34 = 18,207.96/x
  3. Step 3: Cross multiply
    51,492.60x = 77,240.34 × 18,207.96
  4. Step 4: Simplify right side
    51,492.60x = 1,406,389,021.11
  5. Step 5: Solve for x
    x = 1,406,389,021.11/51,492.60
  6. Step 6: Final answer
    x = 27,312.45

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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.