Home / 47,078.64-64,960.65-28,215.77

Finding the Fourth Proportional to 47,078.64, 64,960.65 and 28,215.77

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Solution

The fourth proportional to 47,078.64, 64,960.65 and 28,215.77 is: 38,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.64 : 64,960.65 = 28,215.77 : x
  2. Step 2: Convert to fraction form
    47,078.64/64,960.65 = 28,215.77/x
  3. Step 3: Cross multiply
    47,078.64x = 64,960.65 × 28,215.77
  4. Step 4: Simplify right side
    47,078.64x = 1,832,914,434.65
  5. Step 5: Solve for x
    x = 1,832,914,434.65/47,078.64
  6. Step 6: Final answer
    x = 38,933.04

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1.5x scale

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.