Home / 30,742.41-46,095.12-20,851.69

Finding the Fourth Proportional to 30,742.41, 46,095.12 and 20,851.69

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Solution

The fourth proportional to 30,742.41, 46,095.12 and 20,851.69 is: 31,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.41 : 46,095.12 = 20,851.69 : x
  2. Step 2: Convert to fraction form
    30,742.41/46,095.12 = 20,851.69/x
  3. Step 3: Cross multiply
    30,742.41x = 46,095.12 × 20,851.69
  4. Step 4: Simplify right side
    30,742.41x = 961,161,152.75
  5. Step 5: Solve for x
    x = 961,161,152.75/30,742.41
  6. Step 6: Final answer
    x = 31,264.99

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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.