Home / 31,809.16-43,897.98-17,663.32

Finding the Fourth Proportional to 31,809.16, 43,897.98 and 17,663.32

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Solution

The fourth proportional to 31,809.16, 43,897.98 and 17,663.32 is: 24,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.16 : 43,897.98 = 17,663.32 : x
  2. Step 2: Convert to fraction form
    31,809.16/43,897.98 = 17,663.32/x
  3. Step 3: Cross multiply
    31,809.16x = 43,897.98 × 17,663.32
  4. Step 4: Simplify right side
    31,809.16x = 775,384,068.09
  5. Step 5: Solve for x
    x = 775,384,068.09/31,809.16
  6. Step 6: Final answer
    x = 24,376.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.