Home / 39,501.92-59,222.10-19,770.32

Finding the Fourth Proportional to 39,501.92, 59,222.10 and 19,770.32

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Solution

The fourth proportional to 39,501.92, 59,222.10 and 19,770.32 is: 29,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,501.92 : 59,222.10 = 19,770.32 : x
  2. Step 2: Convert to fraction form
    39,501.92/59,222.10 = 19,770.32/x
  3. Step 3: Cross multiply
    39,501.92x = 59,222.10 × 19,770.32
  4. Step 4: Simplify right side
    39,501.92x = 1,170,839,868.07
  5. Step 5: Solve for x
    x = 1,170,839,868.07/39,501.92
  6. Step 6: Final answer
    x = 29,640.07

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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.