Home / 36,420.03-54,630.07-10,125

Finding the Fourth Proportional to 36,420.03, 54,630.07 and 10,125

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Solution

The fourth proportional to 36,420.03, 54,630.07 and 10,125 is: 15,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.03 : 54,630.07 = 10,125 : x
  2. Step 2: Convert to fraction form
    36,420.03/54,630.07 = 10,125/x
  3. Step 3: Cross multiply
    36,420.03x = 54,630.07 × 10,125
  4. Step 4: Simplify right side
    36,420.03x = 553,129,458.75
  5. Step 5: Solve for x
    x = 553,129,458.75/36,420.03
  6. Step 6: Final answer
    x = 15,187.51

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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.