Home / 72,347.12-108,527.40-22,427.60

Finding the Fourth Proportional to 72,347.12, 108,527.40 and 22,427.60

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Solution

The fourth proportional to 72,347.12, 108,527.40 and 22,427.60 is: 33,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,347.12 : 108,527.40 = 22,427.60 : x
  2. Step 2: Convert to fraction form
    72,347.12/108,527.40 = 22,427.60/x
  3. Step 3: Cross multiply
    72,347.12x = 108,527.40 × 22,427.60
  4. Step 4: Simplify right side
    72,347.12x = 2,434,009,116.24
  5. Step 5: Solve for x
    x = 2,434,009,116.24/72,347.12
  6. Step 6: Final answer
    x = 33,643.48

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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.