Home / 38,712.78-53,425.50-22,802.34

Finding the Fourth Proportional to 38,712.78, 53,425.50 and 22,802.34

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Solution

The fourth proportional to 38,712.78, 53,425.50 and 22,802.34 is: 31,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,712.78 : 53,425.50 = 22,802.34 : x
  2. Step 2: Convert to fraction form
    38,712.78/53,425.50 = 22,802.34/x
  3. Step 3: Cross multiply
    38,712.78x = 53,425.50 × 22,802.34
  4. Step 4: Simplify right side
    38,712.78x = 1,218,226,415.67
  5. Step 5: Solve for x
    x = 1,218,226,415.67/38,712.78
  6. Step 6: Final answer
    x = 31,468.33

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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.