Home / 34,686.43-47,867.36-18,771.04

Finding the Fourth Proportional to 34,686.43, 47,867.36 and 18,771.04

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Solution

The fourth proportional to 34,686.43, 47,867.36 and 18,771.04 is: 25,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.43 : 47,867.36 = 18,771.04 : x
  2. Step 2: Convert to fraction form
    34,686.43/47,867.36 = 18,771.04/x
  3. Step 3: Cross multiply
    34,686.43x = 47,867.36 × 18,771.04
  4. Step 4: Simplify right side
    34,686.43x = 898,520,095.23
  5. Step 5: Solve for x
    x = 898,520,095.23/34,686.43
  6. Step 6: Final answer
    x = 25,904.08

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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.