Home / 35,595.38-49,121.34-19,679.51

Finding the Fourth Proportional to 35,595.38, 49,121.34 and 19,679.51

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Solution

The fourth proportional to 35,595.38, 49,121.34 and 19,679.51 is: 27,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,595.38 : 49,121.34 = 19,679.51 : x
  2. Step 2: Convert to fraction form
    35,595.38/49,121.34 = 19,679.51/x
  3. Step 3: Cross multiply
    35,595.38x = 49,121.34 × 19,679.51
  4. Step 4: Simplify right side
    35,595.38x = 966,683,901.74
  5. Step 5: Solve for x
    x = 966,683,901.74/35,595.38
  6. Step 6: Final answer
    x = 27,157.57

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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.