Home / 39,406.42-59,079.54-19,699.12

Finding the Fourth Proportional to 39,406.42, 59,079.54 and 19,699.12

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Solution

The fourth proportional to 39,406.42, 59,079.54 and 19,699.12 is: 29,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,406.42 : 59,079.54 = 19,699.12 : x
  2. Step 2: Convert to fraction form
    39,406.42/59,079.54 = 19,699.12/x
  3. Step 3: Cross multiply
    39,406.42x = 59,079.54 × 19,699.12
  4. Step 4: Simplify right side
    39,406.42x = 1,163,814,948.00
  5. Step 5: Solve for x
    x = 1,163,814,948.00/39,406.42
  6. Step 6: Final answer
    x = 29,533.64

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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.