Home / 39,749.90-59,621.18-13,451.62

Finding the Fourth Proportional to 39,749.90, 59,621.18 and 13,451.62

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Solution

The fourth proportional to 39,749.90, 59,621.18 and 13,451.62 is: 20,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.90 : 59,621.18 = 13,451.62 : x
  2. Step 2: Convert to fraction form
    39,749.90/59,621.18 = 13,451.62/x
  3. Step 3: Cross multiply
    39,749.90x = 59,621.18 × 13,451.62
  4. Step 4: Simplify right side
    39,749.90x = 802,001,457.31
  5. Step 5: Solve for x
    x = 802,001,457.31/39,749.90
  6. Step 6: Final answer
    x = 20,176.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.