Home / 39,679.62-59,756.96-36,136.68

Finding the Fourth Proportional to 39,679.62, 59,756.96 and 36,136.68

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Solution

The fourth proportional to 39,679.62, 59,756.96 and 36,136.68 is: 54,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.62 : 59,756.96 = 36,136.68 : x
  2. Step 2: Convert to fraction form
    39,679.62/59,756.96 = 36,136.68/x
  3. Step 3: Cross multiply
    39,679.62x = 59,756.96 × 36,136.68
  4. Step 4: Simplify right side
    39,679.62x = 2,159,417,960.61
  5. Step 5: Solve for x
    x = 2,159,417,960.61/39,679.62
  6. Step 6: Final answer
    x = 54,421.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.