Home / 71,438.40-98,591.45-41,228.64

Finding the Fourth Proportional to 71,438.40, 98,591.45 and 41,228.64

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Solution

The fourth proportional to 71,438.40, 98,591.45 and 41,228.64 is: 56,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,438.40 : 98,591.45 = 41,228.64 : x
  2. Step 2: Convert to fraction form
    71,438.40/98,591.45 = 41,228.64/x
  3. Step 3: Cross multiply
    71,438.40x = 98,591.45 × 41,228.64
  4. Step 4: Simplify right side
    71,438.40x = 4,064,791,192.98
  5. Step 5: Solve for x
    x = 4,064,791,192.98/71,438.40
  6. Step 6: Final answer
    x = 56,899.25

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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.