Home / 39,242.70-54,152.10-22,247.28

Finding the Fourth Proportional to 39,242.70, 54,152.10 and 22,247.28

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Solution

The fourth proportional to 39,242.70, 54,152.10 and 22,247.28 is: 30,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.70 : 54,152.10 = 22,247.28 : x
  2. Step 2: Convert to fraction form
    39,242.70/54,152.10 = 22,247.28/x
  3. Step 3: Cross multiply
    39,242.70x = 54,152.10 × 22,247.28
  4. Step 4: Simplify right side
    39,242.70x = 1,204,736,931.29
  5. Step 5: Solve for x
    x = 1,204,736,931.29/39,242.70
  6. Step 6: Final answer
    x = 30,699.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.