Home / 31,410.58-47,097.64-12,675.28

Finding the Fourth Proportional to 31,410.58, 47,097.64 and 12,675.28

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Solution

The fourth proportional to 31,410.58, 47,097.64 and 12,675.28 is: 19,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.58 : 47,097.64 = 12,675.28 : x
  2. Step 2: Convert to fraction form
    31,410.58/47,097.64 = 12,675.28/x
  3. Step 3: Cross multiply
    31,410.58x = 47,097.64 × 12,675.28
  4. Step 4: Simplify right side
    31,410.58x = 596,975,774.34
  5. Step 5: Solve for x
    x = 596,975,774.34/31,410.58
  6. Step 6: Final answer
    x = 19,005.56

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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.