Home / 35,703.20-53,502.16-19,886.45

Finding the Fourth Proportional to 35,703.20, 53,502.16 and 19,886.45

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Solution

The fourth proportional to 35,703.20, 53,502.16 and 19,886.45 is: 29,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.20 : 53,502.16 = 19,886.45 : x
  2. Step 2: Convert to fraction form
    35,703.20/53,502.16 = 19,886.45/x
  3. Step 3: Cross multiply
    35,703.20x = 53,502.16 × 19,886.45
  4. Step 4: Simplify right side
    35,703.20x = 1,063,968,029.73
  5. Step 5: Solve for x
    x = 1,063,968,029.73/35,703.20
  6. Step 6: Final answer
    x = 29,800.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.