Home / 53,889.76-81,017.07-43,433.16

Finding the Fourth Proportional to 53,889.76, 81,017.07 and 43,433.16

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Solution

The fourth proportional to 53,889.76, 81,017.07 and 43,433.16 is: 65,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,889.76 : 81,017.07 = 43,433.16 : x
  2. Step 2: Convert to fraction form
    53,889.76/81,017.07 = 43,433.16/x
  3. Step 3: Cross multiply
    53,889.76x = 81,017.07 × 43,433.16
  4. Step 4: Simplify right side
    53,889.76x = 3,518,827,364.04
  5. Step 5: Solve for x
    x = 3,518,827,364.04/53,889.76
  6. Step 6: Final answer
    x = 65,296.77

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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.