Home / 29,558.52-40,802.40-20,132.28

Finding the Fourth Proportional to 29,558.52, 40,802.40 and 20,132.28

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Solution

The fourth proportional to 29,558.52, 40,802.40 and 20,132.28 is: 27,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.52 : 40,802.40 = 20,132.28 : x
  2. Step 2: Convert to fraction form
    29,558.52/40,802.40 = 20,132.28/x
  3. Step 3: Cross multiply
    29,558.52x = 40,802.40 × 20,132.28
  4. Step 4: Simplify right side
    29,558.52x = 821,445,341.47
  5. Step 5: Solve for x
    x = 821,445,341.47/29,558.52
  6. Step 6: Final answer
    x = 27,790.48

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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.