Home / 71,056.76-98,058.36-39,225.72

Finding the Fourth Proportional to 71,056.76, 98,058.36 and 39,225.72

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Solution

The fourth proportional to 71,056.76, 98,058.36 and 39,225.72 is: 54,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.76 : 98,058.36 = 39,225.72 : x
  2. Step 2: Convert to fraction form
    71,056.76/98,058.36 = 39,225.72/x
  3. Step 3: Cross multiply
    71,056.76x = 98,058.36 × 39,225.72
  4. Step 4: Simplify right side
    71,056.76x = 3,846,409,773.02
  5. Step 5: Solve for x
    x = 3,846,409,773.02/71,056.76
  6. Step 6: Final answer
    x = 54,131.51

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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.