Home / 36,448.10-54,672.12-28,140.20

Finding the Fourth Proportional to 36,448.10, 54,672.12 and 28,140.20

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Solution

The fourth proportional to 36,448.10, 54,672.12 and 28,140.20 is: 42,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448.10 : 54,672.12 = 28,140.20 : x
  2. Step 2: Convert to fraction form
    36,448.10/54,672.12 = 28,140.20/x
  3. Step 3: Cross multiply
    36,448.10x = 54,672.12 × 28,140.20
  4. Step 4: Simplify right side
    36,448.10x = 1,538,484,391.22
  5. Step 5: Solve for x
    x = 1,538,484,391.22/36,448.10
  6. Step 6: Final answer
    x = 42,210.28

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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.