Home / 39,975.99-59,898.37-13,666.38

Finding the Fourth Proportional to 39,975.99, 59,898.37 and 13,666.38

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Solution

The fourth proportional to 39,975.99, 59,898.37 and 13,666.38 is: 20,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.99 : 59,898.37 = 13,666.38 : x
  2. Step 2: Convert to fraction form
    39,975.99/59,898.37 = 13,666.38/x
  3. Step 3: Cross multiply
    39,975.99x = 59,898.37 × 13,666.38
  4. Step 4: Simplify right side
    39,975.99x = 818,593,885.80
  5. Step 5: Solve for x
    x = 818,593,885.80/39,975.99
  6. Step 6: Final answer
    x = 20,477.14

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1.5x scale

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.