Home / 38,020.71-56,991.50-14,312.01

Finding the Fourth Proportional to 38,020.71, 56,991.50 and 14,312.01

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Solution

The fourth proportional to 38,020.71, 56,991.50 and 14,312.01 is: 21,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.71 : 56,991.50 = 14,312.01 : x
  2. Step 2: Convert to fraction form
    38,020.71/56,991.50 = 14,312.01/x
  3. Step 3: Cross multiply
    38,020.71x = 56,991.50 × 14,312.01
  4. Step 4: Simplify right side
    38,020.71x = 815,662,917.92
  5. Step 5: Solve for x
    x = 815,662,917.92/38,020.71
  6. Step 6: Final answer
    x = 21,453.12

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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.