Home / 31,809.29-47,706.64-14,284.13

Finding the Fourth Proportional to 31,809.29, 47,706.64 and 14,284.13

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Solution

The fourth proportional to 31,809.29, 47,706.64 and 14,284.13 is: 21,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.29 : 47,706.64 = 14,284.13 : x
  2. Step 2: Convert to fraction form
    31,809.29/47,706.64 = 14,284.13/x
  3. Step 3: Cross multiply
    31,809.29x = 47,706.64 × 14,284.13
  4. Step 4: Simplify right side
    31,809.29x = 681,447,573.38
  5. Step 5: Solve for x
    x = 681,447,573.38/31,809.29
  6. Step 6: Final answer
    x = 21,422.91

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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.