Home / 43,009.40-64,503.30-15,300.92

Finding the Fourth Proportional to 43,009.40, 64,503.30 and 15,300.92

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Solution

The fourth proportional to 43,009.40, 64,503.30 and 15,300.92 is: 22,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.40 : 64,503.30 = 15,300.92 : x
  2. Step 2: Convert to fraction form
    43,009.40/64,503.30 = 15,300.92/x
  3. Step 3: Cross multiply
    43,009.40x = 64,503.30 × 15,300.92
  4. Step 4: Simplify right side
    43,009.40x = 986,959,833.04
  5. Step 5: Solve for x
    x = 986,959,833.04/43,009.40
  6. Step 6: Final answer
    x = 22,947.54

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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.