Home / 56,303.28-84,441.60-18,864.72

Finding the Fourth Proportional to 56,303.28, 84,441.60 and 18,864.72

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Solution

The fourth proportional to 56,303.28, 84,441.60 and 18,864.72 is: 28,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.28 : 84,441.60 = 18,864.72 : x
  2. Step 2: Convert to fraction form
    56,303.28/84,441.60 = 18,864.72/x
  3. Step 3: Cross multiply
    56,303.28x = 84,441.60 × 18,864.72
  4. Step 4: Simplify right side
    56,303.28x = 1,592,967,140.35
  5. Step 5: Solve for x
    x = 1,592,967,140.35/56,303.28
  6. Step 6: Final answer
    x = 28,292.62

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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.