Home / 53,657.20-80,564.78-30,011.07

Finding the Fourth Proportional to 53,657.20, 80,564.78 and 30,011.07

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Solution

The fourth proportional to 53,657.20, 80,564.78 and 30,011.07 is: 45,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.20 : 80,564.78 = 30,011.07 : x
  2. Step 2: Convert to fraction form
    53,657.20/80,564.78 = 30,011.07/x
  3. Step 3: Cross multiply
    53,657.20x = 80,564.78 × 30,011.07
  4. Step 4: Simplify right side
    53,657.20x = 2,417,835,252.11
  5. Step 5: Solve for x
    x = 2,417,835,252.11/53,657.20
  6. Step 6: Final answer
    x = 45,060.78

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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.