Home / 30,360.32-45,546.96-10,640.08

Finding the Fourth Proportional to 30,360.32, 45,546.96 and 10,640.08

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Solution

The fourth proportional to 30,360.32, 45,546.96 and 10,640.08 is: 15,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.32 : 45,546.96 = 10,640.08 : x
  2. Step 2: Convert to fraction form
    30,360.32/45,546.96 = 10,640.08/x
  3. Step 3: Cross multiply
    30,360.32x = 45,546.96 × 10,640.08
  4. Step 4: Simplify right side
    30,360.32x = 484,623,298.16
  5. Step 5: Solve for x
    x = 484,623,298.16/30,360.32
  6. Step 6: Final answer
    x = 15,962.39

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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.