Home / 39,491.80-59,228.96-11,405.72

Finding the Fourth Proportional to 39,491.80, 59,228.96 and 11,405.72

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Solution

The fourth proportional to 39,491.80, 59,228.96 and 11,405.72 is: 17,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.80 : 59,228.96 = 11,405.72 : x
  2. Step 2: Convert to fraction form
    39,491.80/59,228.96 = 11,405.72/x
  3. Step 3: Cross multiply
    39,491.80x = 59,228.96 × 11,405.72
  4. Step 4: Simplify right side
    39,491.80x = 675,549,024.69
  5. Step 5: Solve for x
    x = 675,549,024.69/39,491.80
  6. Step 6: Final answer
    x = 17,106.06

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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.