Home / 31,507.12-47,265.47-10,725.76

Finding the Fourth Proportional to 31,507.12, 47,265.47 and 10,725.76

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Solution

The fourth proportional to 31,507.12, 47,265.47 and 10,725.76 is: 16,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.12 : 47,265.47 = 10,725.76 : x
  2. Step 2: Convert to fraction form
    31,507.12/47,265.47 = 10,725.76/x
  3. Step 3: Cross multiply
    31,507.12x = 47,265.47 × 10,725.76
  4. Step 4: Simplify right side
    31,507.12x = 506,958,087.51
  5. Step 5: Solve for x
    x = 506,958,087.51/31,507.12
  6. Step 6: Final answer
    x = 16,090.27

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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.