Home / 35,463.39-48,939.18-20,358.51

Finding the Fourth Proportional to 35,463.39, 48,939.18 and 20,358.51

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Solution

The fourth proportional to 35,463.39, 48,939.18 and 20,358.51 is: 28,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,463.39 : 48,939.18 = 20,358.51 : x
  2. Step 2: Convert to fraction form
    35,463.39/48,939.18 = 20,358.51/x
  3. Step 3: Cross multiply
    35,463.39x = 48,939.18 × 20,358.51
  4. Step 4: Simplify right side
    35,463.39x = 996,328,785.42
  5. Step 5: Solve for x
    x = 996,328,785.42/35,463.39
  6. Step 6: Final answer
    x = 28,094.57

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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.