Home / 42,376.60-63,565.32-12,794.68

Finding the Fourth Proportional to 42,376.60, 63,565.32 and 12,794.68

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Solution

The fourth proportional to 42,376.60, 63,565.32 and 12,794.68 is: 19,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.60 : 63,565.32 = 12,794.68 : x
  2. Step 2: Convert to fraction form
    42,376.60/63,565.32 = 12,794.68/x
  3. Step 3: Cross multiply
    42,376.60x = 63,565.32 × 12,794.68
  4. Step 4: Simplify right side
    42,376.60x = 813,297,928.50
  5. Step 5: Solve for x
    x = 813,297,928.50/42,376.60
  6. Step 6: Final answer
    x = 19,192.15

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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.