Home / 30,564.60-42,196.62-23,381.28

Finding the Fourth Proportional to 30,564.60, 42,196.62 and 23,381.28

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Solution

The fourth proportional to 30,564.60, 42,196.62 and 23,381.28 is: 32,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.60 : 42,196.62 = 23,381.28 : x
  2. Step 2: Convert to fraction form
    30,564.60/42,196.62 = 23,381.28/x
  3. Step 3: Cross multiply
    30,564.60x = 42,196.62 × 23,381.28
  4. Step 4: Simplify right side
    30,564.60x = 986,610,987.27
  5. Step 5: Solve for x
    x = 986,610,987.27/30,564.60
  6. Step 6: Final answer
    x = 32,279.53

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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.