Home / 31,875.32-47,813.16-11,889.29

Finding the Fourth Proportional to 31,875.32, 47,813.16 and 11,889.29

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Solution

The fourth proportional to 31,875.32, 47,813.16 and 11,889.29 is: 17,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.32 : 47,813.16 = 11,889.29 : x
  2. Step 2: Convert to fraction form
    31,875.32/47,813.16 = 11,889.29/x
  3. Step 3: Cross multiply
    31,875.32x = 47,813.16 × 11,889.29
  4. Step 4: Simplify right side
    31,875.32x = 568,464,525.06
  5. Step 5: Solve for x
    x = 568,464,525.06/31,875.32
  6. Step 6: Final answer
    x = 17,834.00

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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.