Home / 51,525.76-71,111.64-31,394.56

Finding the Fourth Proportional to 51,525.76, 71,111.64 and 31,394.56

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Solution

The fourth proportional to 51,525.76, 71,111.64 and 31,394.56 is: 43,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,525.76 : 71,111.64 = 31,394.56 : x
  2. Step 2: Convert to fraction form
    51,525.76/71,111.64 = 31,394.56/x
  3. Step 3: Cross multiply
    51,525.76x = 71,111.64 × 31,394.56
  4. Step 4: Simplify right side
    51,525.76x = 2,232,518,648.68
  5. Step 5: Solve for x
    x = 2,232,518,648.68/51,525.76
  6. Step 6: Final answer
    x = 43,328.20

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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.