Home / 55,831.18-77,048.67-31,965.52

Finding the Fourth Proportional to 55,831.18, 77,048.67 and 31,965.52

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Solution

The fourth proportional to 55,831.18, 77,048.67 and 31,965.52 is: 44,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.18 : 77,048.67 = 31,965.52 : x
  2. Step 2: Convert to fraction form
    55,831.18/77,048.67 = 31,965.52/x
  3. Step 3: Cross multiply
    55,831.18x = 77,048.67 × 31,965.52
  4. Step 4: Simplify right side
    55,831.18x = 2,462,900,801.86
  5. Step 5: Solve for x
    x = 2,462,900,801.86/55,831.18
  6. Step 6: Final answer
    x = 44,113.36

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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.