Home / 31,347.16-47,009.88-14,715.04

Finding the Fourth Proportional to 31,347.16, 47,009.88 and 14,715.04

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Solution

The fourth proportional to 31,347.16, 47,009.88 and 14,715.04 is: 22,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.16 : 47,009.88 = 14,715.04 : x
  2. Step 2: Convert to fraction form
    31,347.16/47,009.88 = 14,715.04/x
  3. Step 3: Cross multiply
    31,347.16x = 47,009.88 × 14,715.04
  4. Step 4: Simplify right side
    31,347.16x = 691,752,264.60
  5. Step 5: Solve for x
    x = 691,752,264.60/31,347.16
  6. Step 6: Final answer
    x = 22,067.46

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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.