Home / 30,808.32-46,217.60-14,392.32

Finding the Fourth Proportional to 30,808.32, 46,217.60 and 14,392.32

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Solution

The fourth proportional to 30,808.32, 46,217.60 and 14,392.32 is: 21,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.32 : 46,217.60 = 14,392.32 : x
  2. Step 2: Convert to fraction form
    30,808.32/46,217.60 = 14,392.32/x
  3. Step 3: Cross multiply
    30,808.32x = 46,217.60 × 14,392.32
  4. Step 4: Simplify right side
    30,808.32x = 665,178,488.83
  5. Step 5: Solve for x
    x = 665,178,488.83/30,808.32
  6. Step 6: Final answer
    x = 21,590.87

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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.