Home / 52,151.28-78,219-17,090.16

Finding the Fourth Proportional to 52,151.28, 78,219 and 17,090.16

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Solution

The fourth proportional to 52,151.28, 78,219 and 17,090.16 is: 25,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151.28 : 78,219 = 17,090.16 : x
  2. Step 2: Convert to fraction form
    52,151.28/78,219 = 17,090.16/x
  3. Step 3: Cross multiply
    52,151.28x = 78,219 × 17,090.16
  4. Step 4: Simplify right side
    52,151.28x = 1,336,775,225.04
  5. Step 5: Solve for x
    x = 1,336,775,225.04/52,151.28
  6. Step 6: Final answer
    x = 25,632.64

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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.