Home / 31,051.17-46,553.55-9,979.19

Finding the Fourth Proportional to 31,051.17, 46,553.55 and 9,979.19

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Solution

The fourth proportional to 31,051.17, 46,553.55 and 9,979.19 is: 14,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051.17 : 46,553.55 = 9,979.19 : x
  2. Step 2: Convert to fraction form
    31,051.17/46,553.55 = 9,979.19/x
  3. Step 3: Cross multiply
    31,051.17x = 46,553.55 × 9,979.19
  4. Step 4: Simplify right side
    31,051.17x = 464,566,487.86
  5. Step 5: Solve for x
    x = 464,566,487.86/31,051.17
  6. Step 6: Final answer
    x = 14,961.32

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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.