Home / 30,931.20-46,392.48-10,152

Finding the Fourth Proportional to 30,931.20, 46,392.48 and 10,152

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Solution

The fourth proportional to 30,931.20, 46,392.48 and 10,152 is: 15,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.20 : 46,392.48 = 10,152 : x
  2. Step 2: Convert to fraction form
    30,931.20/46,392.48 = 10,152/x
  3. Step 3: Cross multiply
    30,931.20x = 46,392.48 × 10,152
  4. Step 4: Simplify right side
    30,931.20x = 470,976,456.96
  5. Step 5: Solve for x
    x = 470,976,456.96/30,931.20
  6. Step 6: Final answer
    x = 15,226.58

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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.