Home / 53,516.40-73,852.49-30,855.29

Finding the Fourth Proportional to 53,516.40, 73,852.49 and 30,855.29

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Solution

The fourth proportional to 53,516.40, 73,852.49 and 30,855.29 is: 42,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,516.40 : 73,852.49 = 30,855.29 : x
  2. Step 2: Convert to fraction form
    53,516.40/73,852.49 = 30,855.29/x
  3. Step 3: Cross multiply
    53,516.40x = 73,852.49 × 30,855.29
  4. Step 4: Simplify right side
    53,516.40x = 2,278,739,472.63
  5. Step 5: Solve for x
    x = 2,278,739,472.63/53,516.40
  6. Step 6: Final answer
    x = 42,580.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.