Home / 71,427.60-98,570.66-39,596.49

Finding the Fourth Proportional to 71,427.60, 98,570.66 and 39,596.49

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Solution

The fourth proportional to 71,427.60, 98,570.66 and 39,596.49 is: 54,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.60 : 98,570.66 = 39,596.49 : x
  2. Step 2: Convert to fraction form
    71,427.60/98,570.66 = 39,596.49/x
  3. Step 3: Cross multiply
    71,427.60x = 98,570.66 × 39,596.49
  4. Step 4: Simplify right side
    71,427.60x = 3,903,051,955.00
  5. Step 5: Solve for x
    x = 3,903,051,955.00/71,427.60
  6. Step 6: Final answer
    x = 54,643.47

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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.