Home / 30,302.48-41,795.88-20,225.84

Finding the Fourth Proportional to 30,302.48, 41,795.88 and 20,225.84

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Solution

The fourth proportional to 30,302.48, 41,795.88 and 20,225.84 is: 27,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.48 : 41,795.88 = 20,225.84 : x
  2. Step 2: Convert to fraction form
    30,302.48/41,795.88 = 20,225.84/x
  3. Step 3: Cross multiply
    30,302.48x = 41,795.88 × 20,225.84
  4. Step 4: Simplify right side
    30,302.48x = 845,356,781.54
  5. Step 5: Solve for x
    x = 845,356,781.54/30,302.48
  6. Step 6: Final answer
    x = 27,897.28

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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.