Home / 38,818.08-58,224.36-13,855.32

Finding the Fourth Proportional to 38,818.08, 58,224.36 and 13,855.32

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Solution

The fourth proportional to 38,818.08, 58,224.36 and 13,855.32 is: 20,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.08 : 58,224.36 = 13,855.32 : x
  2. Step 2: Convert to fraction form
    38,818.08/58,224.36 = 13,855.32/x
  3. Step 3: Cross multiply
    38,818.08x = 58,224.36 × 13,855.32
  4. Step 4: Simplify right side
    38,818.08x = 806,717,139.60
  5. Step 5: Solve for x
    x = 806,717,139.60/38,818.08
  6. Step 6: Final answer
    x = 20,781.99

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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.