Home / 31,813.12-43,897.44-17,666.08

Finding the Fourth Proportional to 31,813.12, 43,897.44 and 17,666.08

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Solution

The fourth proportional to 31,813.12, 43,897.44 and 17,666.08 is: 24,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.12 : 43,897.44 = 17,666.08 : x
  2. Step 2: Convert to fraction form
    31,813.12/43,897.44 = 17,666.08/x
  3. Step 3: Cross multiply
    31,813.12x = 43,897.44 × 17,666.08
  4. Step 4: Simplify right side
    31,813.12x = 775,495,686.84
  5. Step 5: Solve for x
    x = 775,495,686.84/31,813.12
  6. Step 6: Final answer
    x = 24,376.60

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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.