Home / 31,577.98-47,356.71-10,512.36

Finding the Fourth Proportional to 31,577.98, 47,356.71 and 10,512.36

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Solution

The fourth proportional to 31,577.98, 47,356.71 and 10,512.36 is: 15,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.98 : 47,356.71 = 10,512.36 : x
  2. Step 2: Convert to fraction form
    31,577.98/47,356.71 = 10,512.36/x
  3. Step 3: Cross multiply
    31,577.98x = 47,356.71 × 10,512.36
  4. Step 4: Simplify right side
    31,577.98x = 497,830,783.94
  5. Step 5: Solve for x
    x = 497,830,783.94/31,577.98
  6. Step 6: Final answer
    x = 15,765.13

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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.