Home / 30,468.96-45,722.88-20,360.16

Finding the Fourth Proportional to 30,468.96, 45,722.88 and 20,360.16

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Solution

The fourth proportional to 30,468.96, 45,722.88 and 20,360.16 is: 30,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468.96 : 45,722.88 = 20,360.16 : x
  2. Step 2: Convert to fraction form
    30,468.96/45,722.88 = 20,360.16/x
  3. Step 3: Cross multiply
    30,468.96x = 45,722.88 × 20,360.16
  4. Step 4: Simplify right side
    30,468.96x = 930,925,152.46
  5. Step 5: Solve for x
    x = 930,925,152.46/30,468.96
  6. Step 6: Final answer
    x = 30,553.23

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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.