Home / 39,762.72-59,657.04-20,039.76

Finding the Fourth Proportional to 39,762.72, 59,657.04 and 20,039.76

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Solution

The fourth proportional to 39,762.72, 59,657.04 and 20,039.76 is: 30,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.72 : 59,657.04 = 20,039.76 : x
  2. Step 2: Convert to fraction form
    39,762.72/59,657.04 = 20,039.76/x
  3. Step 3: Cross multiply
    39,762.72x = 59,657.04 × 20,039.76
  4. Step 4: Simplify right side
    39,762.72x = 1,195,512,763.91
  5. Step 5: Solve for x
    x = 1,195,512,763.91/39,762.72
  6. Step 6: Final answer
    x = 30,066.17

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Why These Related Problems?

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