Home / 31,368.24-47,053.98-13,838.22

Finding the Fourth Proportional to 31,368.24, 47,053.98 and 13,838.22

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Solution

The fourth proportional to 31,368.24, 47,053.98 and 13,838.22 is: 20,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.24 : 47,053.98 = 13,838.22 : x
  2. Step 2: Convert to fraction form
    31,368.24/47,053.98 = 13,838.22/x
  3. Step 3: Cross multiply
    31,368.24x = 47,053.98 × 13,838.22
  4. Step 4: Simplify right side
    31,368.24x = 651,143,327.12
  5. Step 5: Solve for x
    x = 651,143,327.12/31,368.24
  6. Step 6: Final answer
    x = 20,758.04

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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.