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Finding the Fourth Proportional to 43,398.80, 65,059.32 and 22,598.48

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Solution

The fourth proportional to 43,398.80, 65,059.32 and 22,598.48 is: 33,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.80 : 65,059.32 = 22,598.48 : x
  2. Step 2: Convert to fraction form
    43,398.80/65,059.32 = 22,598.48/x
  3. Step 3: Cross multiply
    43,398.80x = 65,059.32 × 22,598.48
  4. Step 4: Simplify right side
    43,398.80x = 1,470,241,741.83
  5. Step 5: Solve for x
    x = 1,470,241,741.83/43,398.80
  6. Step 6: Final answer
    x = 33,877.47

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1.5x scale

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.