Home / 46,789.85-64,546.00-31,677.21

Finding the Fourth Proportional to 46,789.85, 64,546.00 and 31,677.21

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Solution

The fourth proportional to 46,789.85, 64,546.00 and 31,677.21 is: 43,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,789.85 : 64,546.00 = 31,677.21 : x
  2. Step 2: Convert to fraction form
    46,789.85/64,546.00 = 31,677.21/x
  3. Step 3: Cross multiply
    46,789.85x = 64,546.00 × 31,677.21
  4. Step 4: Simplify right side
    46,789.85x = 2,044,637,117.47
  5. Step 5: Solve for x
    x = 2,044,637,117.47/46,789.85
  6. Step 6: Final answer
    x = 43,698.30

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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.