Home / 38,942.15-58,417.34-17,878.64

Finding the Fourth Proportional to 38,942.15, 58,417.34 and 17,878.64

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Solution

The fourth proportional to 38,942.15, 58,417.34 and 17,878.64 is: 26,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942.15 : 58,417.34 = 17,878.64 : x
  2. Step 2: Convert to fraction form
    38,942.15/58,417.34 = 17,878.64/x
  3. Step 3: Cross multiply
    38,942.15x = 58,417.34 × 17,878.64
  4. Step 4: Simplify right side
    38,942.15x = 1,044,422,210.14
  5. Step 5: Solve for x
    x = 1,044,422,210.14/38,942.15
  6. Step 6: Final answer
    x = 26,819.84

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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.