Home / 35,419.35-48,877.20-20,301.51

Finding the Fourth Proportional to 35,419.35, 48,877.20 and 20,301.51

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Solution

The fourth proportional to 35,419.35, 48,877.20 and 20,301.51 is: 28,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.35 : 48,877.20 = 20,301.51 : x
  2. Step 2: Convert to fraction form
    35,419.35/48,877.20 = 20,301.51/x
  3. Step 3: Cross multiply
    35,419.35x = 48,877.20 × 20,301.51
  4. Step 4: Simplify right side
    35,419.35x = 992,280,964.57
  5. Step 5: Solve for x
    x = 992,280,964.57/35,419.35
  6. Step 6: Final answer
    x = 28,015.22

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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.