Home / 30,309.15-45,463.79-14,715.84

Finding the Fourth Proportional to 30,309.15, 45,463.79 and 14,715.84

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Solution

The fourth proportional to 30,309.15, 45,463.79 and 14,715.84 is: 22,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.15 : 45,463.79 = 14,715.84 : x
  2. Step 2: Convert to fraction form
    30,309.15/45,463.79 = 14,715.84/x
  3. Step 3: Cross multiply
    30,309.15x = 45,463.79 × 14,715.84
  4. Step 4: Simplify right side
    30,309.15x = 669,037,859.43
  5. Step 5: Solve for x
    x = 669,037,859.43/30,309.15
  6. Step 6: Final answer
    x = 22,073.79

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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.