Home / 35,833.90-53,688.37-21,764.20

Finding the Fourth Proportional to 35,833.90, 53,688.37 and 21,764.20

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Solution

The fourth proportional to 35,833.90, 53,688.37 and 21,764.20 is: 32,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.90 : 53,688.37 = 21,764.20 : x
  2. Step 2: Convert to fraction form
    35,833.90/53,688.37 = 21,764.20/x
  3. Step 3: Cross multiply
    35,833.90x = 53,688.37 × 21,764.20
  4. Step 4: Simplify right side
    35,833.90x = 1,168,484,422.35
  5. Step 5: Solve for x
    x = 1,168,484,422.35/35,833.90
  6. Step 6: Final answer
    x = 32,608.35

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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.