Home / 46,981.22-70,428.69-20,310.55

Finding the Fourth Proportional to 46,981.22, 70,428.69 and 20,310.55

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Solution

The fourth proportional to 46,981.22, 70,428.69 and 20,310.55 is: 30,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,981.22 : 70,428.69 = 20,310.55 : x
  2. Step 2: Convert to fraction form
    46,981.22/70,428.69 = 20,310.55/x
  3. Step 3: Cross multiply
    46,981.22x = 70,428.69 × 20,310.55
  4. Step 4: Simplify right side
    46,981.22x = 1,430,445,253.61
  5. Step 5: Solve for x
    x = 1,430,445,253.61/46,981.22
  6. Step 6: Final answer
    x = 30,447.17

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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.