Home / 45,941.15-68,819.45-20,946.81

Finding the Fourth Proportional to 45,941.15, 68,819.45 and 20,946.81

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Solution

The fourth proportional to 45,941.15, 68,819.45 and 20,946.81 is: 31,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,941.15 : 68,819.45 = 20,946.81 : x
  2. Step 2: Convert to fraction form
    45,941.15/68,819.45 = 20,946.81/x
  3. Step 3: Cross multiply
    45,941.15x = 68,819.45 × 20,946.81
  4. Step 4: Simplify right side
    45,941.15x = 1,441,547,838.72
  5. Step 5: Solve for x
    x = 1,441,547,838.72/45,941.15
  6. Step 6: Final answer
    x = 31,378.14

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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.