Home / 31,023.02-46,520.86-8,831.35

Finding the Fourth Proportional to 31,023.02, 46,520.86 and 8,831.35

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Solution

The fourth proportional to 31,023.02, 46,520.86 and 8,831.35 is: 13,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.02 : 46,520.86 = 8,831.35 : x
  2. Step 2: Convert to fraction form
    31,023.02/46,520.86 = 8,831.35/x
  3. Step 3: Cross multiply
    31,023.02x = 46,520.86 × 8,831.35
  4. Step 4: Simplify right side
    31,023.02x = 410,841,763.07
  5. Step 5: Solve for x
    x = 410,841,763.07/31,023.02
  6. Step 6: Final answer
    x = 13,243.13

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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.