Home / 39,530.23-59,283.15-20,800.11

Finding the Fourth Proportional to 39,530.23, 59,283.15 and 20,800.11

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Solution

The fourth proportional to 39,530.23, 59,283.15 and 20,800.11 is: 31,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.23 : 59,283.15 = 20,800.11 : x
  2. Step 2: Convert to fraction form
    39,530.23/59,283.15 = 20,800.11/x
  3. Step 3: Cross multiply
    39,530.23x = 59,283.15 × 20,800.11
  4. Step 4: Simplify right side
    39,530.23x = 1,233,096,041.15
  5. Step 5: Solve for x
    x = 1,233,096,041.15/39,530.23
  6. Step 6: Final answer
    x = 31,193.75

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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.