Home / 60,090.42-90,128.74-15,721.46

Finding the Fourth Proportional to 60,090.42, 90,128.74 and 15,721.46

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Solution

The fourth proportional to 60,090.42, 90,128.74 and 15,721.46 is: 23,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,090.42 : 90,128.74 = 15,721.46 : x
  2. Step 2: Convert to fraction form
    60,090.42/90,128.74 = 15,721.46/x
  3. Step 3: Cross multiply
    60,090.42x = 90,128.74 × 15,721.46
  4. Step 4: Simplify right side
    60,090.42x = 1,416,955,380.76
  5. Step 5: Solve for x
    x = 1,416,955,380.76/60,090.42
  6. Step 6: Final answer
    x = 23,580.39

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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.