Home / 39,620.40-59,393.58-19,875.84

Finding the Fourth Proportional to 39,620.40, 59,393.58 and 19,875.84

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Solution

The fourth proportional to 39,620.40, 59,393.58 and 19,875.84 is: 29,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.40 : 59,393.58 = 19,875.84 : x
  2. Step 2: Convert to fraction form
    39,620.40/59,393.58 = 19,875.84/x
  3. Step 3: Cross multiply
    39,620.40x = 59,393.58 × 19,875.84
  4. Step 4: Simplify right side
    39,620.40x = 1,180,497,293.11
  5. Step 5: Solve for x
    x = 1,180,497,293.11/39,620.40
  6. Step 6: Final answer
    x = 29,795.19

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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.