Home / 31,308.86-46,970.48-10,249.58

Finding the Fourth Proportional to 31,308.86, 46,970.48 and 10,249.58

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Solution

The fourth proportional to 31,308.86, 46,970.48 and 10,249.58 is: 15,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.86 : 46,970.48 = 10,249.58 : x
  2. Step 2: Convert to fraction form
    31,308.86/46,970.48 = 10,249.58/x
  3. Step 3: Cross multiply
    31,308.86x = 46,970.48 × 10,249.58
  4. Step 4: Simplify right side
    31,308.86x = 481,427,483.17
  5. Step 5: Solve for x
    x = 481,427,483.17/31,308.86
  6. Step 6: Final answer
    x = 15,376.72

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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.