Home / 30,588.76-45,864.69-13,718.70

Finding the Fourth Proportional to 30,588.76, 45,864.69 and 13,718.70

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Solution

The fourth proportional to 30,588.76, 45,864.69 and 13,718.70 is: 20,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.76 : 45,864.69 = 13,718.70 : x
  2. Step 2: Convert to fraction form
    30,588.76/45,864.69 = 13,718.70/x
  3. Step 3: Cross multiply
    30,588.76x = 45,864.69 × 13,718.70
  4. Step 4: Simplify right side
    30,588.76x = 629,203,870.97
  5. Step 5: Solve for x
    x = 629,203,870.97/30,588.76
  6. Step 6: Final answer
    x = 20,569.77

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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.