Home / 43,150.16-64,728.03-13,569.14

Finding the Fourth Proportional to 43,150.16, 64,728.03 and 13,569.14

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Solution

The fourth proportional to 43,150.16, 64,728.03 and 13,569.14 is: 20,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,150.16 : 64,728.03 = 13,569.14 : x
  2. Step 2: Convert to fraction form
    43,150.16/64,728.03 = 13,569.14/x
  3. Step 3: Cross multiply
    43,150.16x = 64,728.03 × 13,569.14
  4. Step 4: Simplify right side
    43,150.16x = 878,303,700.99
  5. Step 5: Solve for x
    x = 878,303,700.99/43,150.16
  6. Step 6: Final answer
    x = 20,354.59

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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.