Home / 59,837.40-89,728.63-20,378.45

Finding the Fourth Proportional to 59,837.40, 89,728.63 and 20,378.45

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Solution

The fourth proportional to 59,837.40, 89,728.63 and 20,378.45 is: 30,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,837.40 : 89,728.63 = 20,378.45 : x
  2. Step 2: Convert to fraction form
    59,837.40/89,728.63 = 20,378.45/x
  3. Step 3: Cross multiply
    59,837.40x = 89,728.63 × 20,378.45
  4. Step 4: Simplify right side
    59,837.40x = 1,828,530,573.40
  5. Step 5: Solve for x
    x = 1,828,530,573.40/59,837.40
  6. Step 6: Final answer
    x = 30,558.32

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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.