Home / 31,505.24-47,277.62-12,785.37

Finding the Fourth Proportional to 31,505.24, 47,277.62 and 12,785.37

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Solution

The fourth proportional to 31,505.24, 47,277.62 and 12,785.37 is: 19,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.24 : 47,277.62 = 12,785.37 : x
  2. Step 2: Convert to fraction form
    31,505.24/47,277.62 = 12,785.37/x
  3. Step 3: Cross multiply
    31,505.24x = 47,277.62 × 12,785.37
  4. Step 4: Simplify right side
    31,505.24x = 604,461,864.42
  5. Step 5: Solve for x
    x = 604,461,864.42/31,505.24
  6. Step 6: Final answer
    x = 19,186.07

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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.