Home / 64,279.57-88,695.24-40,389.32

Finding the Fourth Proportional to 64,279.57, 88,695.24 and 40,389.32

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Solution

The fourth proportional to 64,279.57, 88,695.24 and 40,389.32 is: 55,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,279.57 : 88,695.24 = 40,389.32 : x
  2. Step 2: Convert to fraction form
    64,279.57/88,695.24 = 40,389.32/x
  3. Step 3: Cross multiply
    64,279.57x = 88,695.24 × 40,389.32
  4. Step 4: Simplify right side
    64,279.57x = 3,582,340,430.84
  5. Step 5: Solve for x
    x = 3,582,340,430.84/64,279.57
  6. Step 6: Final answer
    x = 55,730.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.