Home / 39,968.36-59,953.50-13,672.92

Finding the Fourth Proportional to 39,968.36, 59,953.50 and 13,672.92

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Solution

The fourth proportional to 39,968.36, 59,953.50 and 13,672.92 is: 20,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.36 : 59,953.50 = 13,672.92 : x
  2. Step 2: Convert to fraction form
    39,968.36/59,953.50 = 13,672.92/x
  3. Step 3: Cross multiply
    39,968.36x = 59,953.50 × 13,672.92
  4. Step 4: Simplify right side
    39,968.36x = 819,739,409.22
  5. Step 5: Solve for x
    x = 819,739,409.22/39,968.36
  6. Step 6: Final answer
    x = 20,509.71

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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.