Home / 31,618.08-47,422.80-11,893.77

Finding the Fourth Proportional to 31,618.08, 47,422.80 and 11,893.77

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Solution

The fourth proportional to 31,618.08, 47,422.80 and 11,893.77 is: 17,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.08 : 47,422.80 = 11,893.77 : x
  2. Step 2: Convert to fraction form
    31,618.08/47,422.80 = 11,893.77/x
  3. Step 3: Cross multiply
    31,618.08x = 47,422.80 × 11,893.77
  4. Step 4: Simplify right side
    31,618.08x = 564,035,875.96
  5. Step 5: Solve for x
    x = 564,035,875.96/31,618.08
  6. Step 6: Final answer
    x = 17,839.03

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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.