Home / 37,831.16-52,205.22-20,835.08

Finding the Fourth Proportional to 37,831.16, 52,205.22 and 20,835.08

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Solution

The fourth proportional to 37,831.16, 52,205.22 and 20,835.08 is: 28,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.16 : 52,205.22 = 20,835.08 : x
  2. Step 2: Convert to fraction form
    37,831.16/52,205.22 = 20,835.08/x
  3. Step 3: Cross multiply
    37,831.16x = 52,205.22 × 20,835.08
  4. Step 4: Simplify right side
    37,831.16x = 1,087,699,935.12
  5. Step 5: Solve for x
    x = 1,087,699,935.12/37,831.16
  6. Step 6: Final answer
    x = 28,751.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.