Home / 31,533.08-47,314.10-11,813.24

Finding the Fourth Proportional to 31,533.08, 47,314.10 and 11,813.24

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Solution

The fourth proportional to 31,533.08, 47,314.10 and 11,813.24 is: 17,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.08 : 47,314.10 = 11,813.24 : x
  2. Step 2: Convert to fraction form
    31,533.08/47,314.10 = 11,813.24/x
  3. Step 3: Cross multiply
    31,533.08x = 47,314.10 × 11,813.24
  4. Step 4: Simplify right side
    31,533.08x = 558,932,818.68
  5. Step 5: Solve for x
    x = 558,932,818.68/31,533.08
  6. Step 6: Final answer
    x = 17,725.28

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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.