Home / 32,862.48-45,370.29-21,388.32

Finding the Fourth Proportional to 32,862.48, 45,370.29 and 21,388.32

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Solution

The fourth proportional to 32,862.48, 45,370.29 and 21,388.32 is: 29,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,862.48 : 45,370.29 = 21,388.32 : x
  2. Step 2: Convert to fraction form
    32,862.48/45,370.29 = 21,388.32/x
  3. Step 3: Cross multiply
    32,862.48x = 45,370.29 × 21,388.32
  4. Step 4: Simplify right side
    32,862.48x = 970,394,281.01
  5. Step 5: Solve for x
    x = 970,394,281.01/32,862.48
  6. Step 6: Final answer
    x = 29,528.94

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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.