Home / 52,831.18-72,907.32-31,605.13

Finding the Fourth Proportional to 52,831.18, 72,907.32 and 31,605.13

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Solution

The fourth proportional to 52,831.18, 72,907.32 and 31,605.13 is: 43,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.18 : 72,907.32 = 31,605.13 : x
  2. Step 2: Convert to fraction form
    52,831.18/72,907.32 = 31,605.13/x
  3. Step 3: Cross multiply
    52,831.18x = 72,907.32 × 31,605.13
  4. Step 4: Simplify right side
    52,831.18x = 2,304,245,326.55
  5. Step 5: Solve for x
    x = 2,304,245,326.55/52,831.18
  6. Step 6: Final answer
    x = 43,615.25

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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.