Home / 31,904.28-44,053.74-20,579.40

Finding the Fourth Proportional to 31,904.28, 44,053.74 and 20,579.40

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Solution

The fourth proportional to 31,904.28, 44,053.74 and 20,579.40 is: 28,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.28 : 44,053.74 = 20,579.40 : x
  2. Step 2: Convert to fraction form
    31,904.28/44,053.74 = 20,579.40/x
  3. Step 3: Cross multiply
    31,904.28x = 44,053.74 × 20,579.40
  4. Step 4: Simplify right side
    31,904.28x = 906,599,536.96
  5. Step 5: Solve for x
    x = 906,599,536.96/31,904.28
  6. Step 6: Final answer
    x = 28,416.24

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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.