Home / 31,446.40-47,106.28-14,555.60

Finding the Fourth Proportional to 31,446.40, 47,106.28 and 14,555.60

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Solution

The fourth proportional to 31,446.40, 47,106.28 and 14,555.60 is: 21,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.40 : 47,106.28 = 14,555.60 : x
  2. Step 2: Convert to fraction form
    31,446.40/47,106.28 = 14,555.60/x
  3. Step 3: Cross multiply
    31,446.40x = 47,106.28 × 14,555.60
  4. Step 4: Simplify right side
    31,446.40x = 685,660,169.17
  5. Step 5: Solve for x
    x = 685,660,169.17/31,446.40
  6. Step 6: Final answer
    x = 21,804.09

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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.