Home / 38,262.08-52,802.88-21,267.20

Finding the Fourth Proportional to 38,262.08, 52,802.88 and 21,267.20

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Solution

The fourth proportional to 38,262.08, 52,802.88 and 21,267.20 is: 29,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,262.08 : 52,802.88 = 21,267.20 : x
  2. Step 2: Convert to fraction form
    38,262.08/52,802.88 = 21,267.20/x
  3. Step 3: Cross multiply
    38,262.08x = 52,802.88 × 21,267.20
  4. Step 4: Simplify right side
    38,262.08x = 1,122,969,409.54
  5. Step 5: Solve for x
    x = 1,122,969,409.54/38,262.08
  6. Step 6: Final answer
    x = 29,349.41

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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.