Home / 41,987.45-57,946.77-31,358.63

Finding the Fourth Proportional to 41,987.45, 57,946.77 and 31,358.63

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Solution

The fourth proportional to 41,987.45, 57,946.77 and 31,358.63 is: 43,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.45 : 57,946.77 = 31,358.63 : x
  2. Step 2: Convert to fraction form
    41,987.45/57,946.77 = 31,358.63/x
  3. Step 3: Cross multiply
    41,987.45x = 57,946.77 × 31,358.63
  4. Step 4: Simplify right side
    41,987.45x = 1,817,130,873.60
  5. Step 5: Solve for x
    x = 1,817,130,873.60/41,987.45
  6. Step 6: Final answer
    x = 43,277.96

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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.