Home / 31,509.04-47,238.03-11,784.73

Finding the Fourth Proportional to 31,509.04, 47,238.03 and 11,784.73

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Solution

The fourth proportional to 31,509.04, 47,238.03 and 11,784.73 is: 17,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.04 : 47,238.03 = 11,784.73 : x
  2. Step 2: Convert to fraction form
    31,509.04/47,238.03 = 11,784.73/x
  3. Step 3: Cross multiply
    31,509.04x = 47,238.03 × 11,784.73
  4. Step 4: Simplify right side
    31,509.04x = 556,687,429.28
  5. Step 5: Solve for x
    x = 556,687,429.28/31,509.04
  6. Step 6: Final answer
    x = 17,667.55

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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.