Home / 46,440.16-64,081.20-29,661.28

Finding the Fourth Proportional to 46,440.16, 64,081.20 and 29,661.28

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Solution

The fourth proportional to 46,440.16, 64,081.20 and 29,661.28 is: 40,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,440.16 : 64,081.20 = 29,661.28 : x
  2. Step 2: Convert to fraction form
    46,440.16/64,081.20 = 29,661.28/x
  3. Step 3: Cross multiply
    46,440.16x = 64,081.20 × 29,661.28
  4. Step 4: Simplify right side
    46,440.16x = 1,900,730,415.94
  5. Step 5: Solve for x
    x = 1,900,730,415.94/46,440.16
  6. Step 6: Final answer
    x = 40,928.59

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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.