Home / 45,360.47-68,033.03-13,762.91

Finding the Fourth Proportional to 45,360.47, 68,033.03 and 13,762.91

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Solution

The fourth proportional to 45,360.47, 68,033.03 and 13,762.91 is: 20,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360.47 : 68,033.03 = 13,762.91 : x
  2. Step 2: Convert to fraction form
    45,360.47/68,033.03 = 13,762.91/x
  3. Step 3: Cross multiply
    45,360.47x = 68,033.03 × 13,762.91
  4. Step 4: Simplify right side
    45,360.47x = 936,332,400.10
  5. Step 5: Solve for x
    x = 936,332,400.10/45,360.47
  6. Step 6: Final answer
    x = 20,642.03

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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.