Home / 53,071.40-79,589.34-21,473.32

Finding the Fourth Proportional to 53,071.40, 79,589.34 and 21,473.32

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Solution

The fourth proportional to 53,071.40, 79,589.34 and 21,473.32 is: 32,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,071.40 : 79,589.34 = 21,473.32 : x
  2. Step 2: Convert to fraction form
    53,071.40/79,589.34 = 21,473.32/x
  3. Step 3: Cross multiply
    53,071.40x = 79,589.34 × 21,473.32
  4. Step 4: Simplify right side
    53,071.40x = 1,709,047,366.41
  5. Step 5: Solve for x
    x = 1,709,047,366.41/53,071.40
  6. Step 6: Final answer
    x = 32,202.79

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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.