Home / 35,455.48-53,050.14-21,713.80

Finding the Fourth Proportional to 35,455.48, 53,050.14 and 21,713.80

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Solution

The fourth proportional to 35,455.48, 53,050.14 and 21,713.80 is: 32,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.48 : 53,050.14 = 21,713.80 : x
  2. Step 2: Convert to fraction form
    35,455.48/53,050.14 = 21,713.80/x
  3. Step 3: Cross multiply
    35,455.48x = 53,050.14 × 21,713.80
  4. Step 4: Simplify right side
    35,455.48x = 1,151,920,129.93
  5. Step 5: Solve for x
    x = 1,151,920,129.93/35,455.48
  6. Step 6: Final answer
    x = 32,489.20

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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.