Home / 31,114.22-46,652.56-12,397.15

Finding the Fourth Proportional to 31,114.22, 46,652.56 and 12,397.15

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Solution

The fourth proportional to 31,114.22, 46,652.56 and 12,397.15 is: 18,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.22 : 46,652.56 = 12,397.15 : x
  2. Step 2: Convert to fraction form
    31,114.22/46,652.56 = 12,397.15/x
  3. Step 3: Cross multiply
    31,114.22x = 46,652.56 × 12,397.15
  4. Step 4: Simplify right side
    31,114.22x = 578,358,784.20
  5. Step 5: Solve for x
    x = 578,358,784.20/31,114.22
  6. Step 6: Final answer
    x = 18,588.25

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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.