Home / 34,686.72-47,867.80-18,771.17

Finding the Fourth Proportional to 34,686.72, 47,867.80 and 18,771.17

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Solution

The fourth proportional to 34,686.72, 47,867.80 and 18,771.17 is: 25,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.72 : 47,867.80 = 18,771.17 : x
  2. Step 2: Convert to fraction form
    34,686.72/47,867.80 = 18,771.17/x
  3. Step 3: Cross multiply
    34,686.72x = 47,867.80 × 18,771.17
  4. Step 4: Simplify right side
    34,686.72x = 898,534,611.33
  5. Step 5: Solve for x
    x = 898,534,611.33/34,686.72
  6. Step 6: Final answer
    x = 25,904.28

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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.