Home / 36,420.13-54,630.90-10,124.49

Finding the Fourth Proportional to 36,420.13, 54,630.90 and 10,124.49

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Solution

The fourth proportional to 36,420.13, 54,630.90 and 10,124.49 is: 15,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.13 : 54,630.90 = 10,124.49 : x
  2. Step 2: Convert to fraction form
    36,420.13/54,630.90 = 10,124.49/x
  3. Step 3: Cross multiply
    36,420.13x = 54,630.90 × 10,124.49
  4. Step 4: Simplify right side
    36,420.13x = 553,110,000.74
  5. Step 5: Solve for x
    x = 553,110,000.74/36,420.13
  6. Step 6: Final answer
    x = 15,186.93

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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.