Home / 37,643.20-56,423.49-18,886.03

Finding the Fourth Proportional to 37,643.20, 56,423.49 and 18,886.03

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Solution

The fourth proportional to 37,643.20, 56,423.49 and 18,886.03 is: 28,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.20 : 56,423.49 = 18,886.03 : x
  2. Step 2: Convert to fraction form
    37,643.20/56,423.49 = 18,886.03/x
  3. Step 3: Cross multiply
    37,643.20x = 56,423.49 × 18,886.03
  4. Step 4: Simplify right side
    37,643.20x = 1,065,615,724.84
  5. Step 5: Solve for x
    x = 1,065,615,724.84/37,643.20
  6. Step 6: Final answer
    x = 28,308.32

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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.