Home / 44,421.08-66,640.93-12,831.08

Finding the Fourth Proportional to 44,421.08, 66,640.93 and 12,831.08

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Solution

The fourth proportional to 44,421.08, 66,640.93 and 12,831.08 is: 19,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,421.08 : 66,640.93 = 12,831.08 : x
  2. Step 2: Convert to fraction form
    44,421.08/66,640.93 = 12,831.08/x
  3. Step 3: Cross multiply
    44,421.08x = 66,640.93 × 12,831.08
  4. Step 4: Simplify right side
    44,421.08x = 855,074,738.82
  5. Step 5: Solve for x
    x = 855,074,738.82/44,421.08
  6. Step 6: Final answer
    x = 19,249.30

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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.