Home / 30,177.64-45,294.36-15,397.54

Finding the Fourth Proportional to 30,177.64, 45,294.36 and 15,397.54

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Solution

The fourth proportional to 30,177.64, 45,294.36 and 15,397.54 is: 23,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.64 : 45,294.36 = 15,397.54 : x
  2. Step 2: Convert to fraction form
    30,177.64/45,294.36 = 15,397.54/x
  3. Step 3: Cross multiply
    30,177.64x = 45,294.36 × 15,397.54
  4. Step 4: Simplify right side
    30,177.64x = 697,421,719.87
  5. Step 5: Solve for x
    x = 697,421,719.87/30,177.64
  6. Step 6: Final answer
    x = 23,110.55

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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.