Home / 31,114.19-46,671.19-7,740.63

Finding the Fourth Proportional to 31,114.19, 46,671.19 and 7,740.63

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Solution

The fourth proportional to 31,114.19, 46,671.19 and 7,740.63 is: 11,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.19 : 46,671.19 = 7,740.63 : x
  2. Step 2: Convert to fraction form
    31,114.19/46,671.19 = 7,740.63/x
  3. Step 3: Cross multiply
    31,114.19x = 46,671.19 × 7,740.63
  4. Step 4: Simplify right side
    31,114.19x = 361,264,394.10
  5. Step 5: Solve for x
    x = 361,264,394.10/31,114.19
  6. Step 6: Final answer
    x = 11,610.92

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1.5x scale

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.