Home / 35,042.49-48,364.09-20,703.87

Finding the Fourth Proportional to 35,042.49, 48,364.09 and 20,703.87

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Solution

The fourth proportional to 35,042.49, 48,364.09 and 20,703.87 is: 28,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,042.49 : 48,364.09 = 20,703.87 : x
  2. Step 2: Convert to fraction form
    35,042.49/48,364.09 = 20,703.87/x
  3. Step 3: Cross multiply
    35,042.49x = 48,364.09 × 20,703.87
  4. Step 4: Simplify right side
    35,042.49x = 1,001,323,780.27
  5. Step 5: Solve for x
    x = 1,001,323,780.27/35,042.49
  6. Step 6: Final answer
    x = 28,574.56

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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.