Home / 38,993.64-58,498.35-12,691.32

Finding the Fourth Proportional to 38,993.64, 58,498.35 and 12,691.32

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Solution

The fourth proportional to 38,993.64, 58,498.35 and 12,691.32 is: 19,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.64 : 58,498.35 = 12,691.32 : x
  2. Step 2: Convert to fraction form
    38,993.64/58,498.35 = 12,691.32/x
  3. Step 3: Cross multiply
    38,993.64x = 58,498.35 × 12,691.32
  4. Step 4: Simplify right side
    38,993.64x = 742,421,279.32
  5. Step 5: Solve for x
    x = 742,421,279.32/38,993.64
  6. Step 6: Final answer
    x = 19,039.55

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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.