Home / 71,260.44-98,336.70-39,430.68

Finding the Fourth Proportional to 71,260.44, 98,336.70 and 39,430.68

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Solution

The fourth proportional to 71,260.44, 98,336.70 and 39,430.68 is: 54,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,260.44 : 98,336.70 = 39,430.68 : x
  2. Step 2: Convert to fraction form
    71,260.44/98,336.70 = 39,430.68/x
  3. Step 3: Cross multiply
    71,260.44x = 98,336.70 × 39,430.68
  4. Step 4: Simplify right side
    71,260.44x = 3,877,482,949.96
  5. Step 5: Solve for x
    x = 3,877,482,949.96/71,260.44
  6. Step 6: Final answer
    x = 54,412.84

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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.