Home / 30,892.20-46,337.92-7,518.84

Finding the Fourth Proportional to 30,892.20, 46,337.92 and 7,518.84

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Solution

The fourth proportional to 30,892.20, 46,337.92 and 7,518.84 is: 11,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.20 : 46,337.92 = 7,518.84 : x
  2. Step 2: Convert to fraction form
    30,892.20/46,337.92 = 7,518.84/x
  3. Step 3: Cross multiply
    30,892.20x = 46,337.92 × 7,518.84
  4. Step 4: Simplify right side
    30,892.20x = 348,407,406.41
  5. Step 5: Solve for x
    x = 348,407,406.41/30,892.20
  6. Step 6: Final answer
    x = 11,278.17

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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.