Home / 42,824.08-64,212.54-13,233.70

Finding the Fourth Proportional to 42,824.08, 64,212.54 and 13,233.70

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Solution

The fourth proportional to 42,824.08, 64,212.54 and 13,233.70 is: 19,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.08 : 64,212.54 = 13,233.70 : x
  2. Step 2: Convert to fraction form
    42,824.08/64,212.54 = 13,233.70/x
  3. Step 3: Cross multiply
    42,824.08x = 64,212.54 × 13,233.70
  4. Step 4: Simplify right side
    42,824.08x = 849,769,490.60
  5. Step 5: Solve for x
    x = 849,769,490.60/42,824.08
  6. Step 6: Final answer
    x = 19,843.26

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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.