Home / 31,210.76-46,810.12-13,444.46

Finding the Fourth Proportional to 31,210.76, 46,810.12 and 13,444.46

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Solution

The fourth proportional to 31,210.76, 46,810.12 and 13,444.46 is: 20,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.76 : 46,810.12 = 13,444.46 : x
  2. Step 2: Convert to fraction form
    31,210.76/46,810.12 = 13,444.46/x
  3. Step 3: Cross multiply
    31,210.76x = 46,810.12 × 13,444.46
  4. Step 4: Simplify right side
    31,210.76x = 629,336,785.94
  5. Step 5: Solve for x
    x = 629,336,785.94/31,210.76
  6. Step 6: Final answer
    x = 20,164.10

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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.