Home / 31,126.61-46,690.86-10,066.07

Finding the Fourth Proportional to 31,126.61, 46,690.86 and 10,066.07

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Solution

The fourth proportional to 31,126.61, 46,690.86 and 10,066.07 is: 15,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.61 : 46,690.86 = 10,066.07 : x
  2. Step 2: Convert to fraction form
    31,126.61/46,690.86 = 10,066.07/x
  3. Step 3: Cross multiply
    31,126.61x = 46,690.86 × 10,066.07
  4. Step 4: Simplify right side
    31,126.61x = 469,993,465.12
  5. Step 5: Solve for x
    x = 469,993,465.12/31,126.61
  6. Step 6: Final answer
    x = 15,099.41

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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.