Home / 39,365.30-59,048.40-9,783.20

Finding the Fourth Proportional to 39,365.30, 59,048.40 and 9,783.20

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Solution

The fourth proportional to 39,365.30, 59,048.40 and 9,783.20 is: 14,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.30 : 59,048.40 = 9,783.20 : x
  2. Step 2: Convert to fraction form
    39,365.30/59,048.40 = 9,783.20/x
  3. Step 3: Cross multiply
    39,365.30x = 59,048.40 × 9,783.20
  4. Step 4: Simplify right side
    39,365.30x = 577,682,306.88
  5. Step 5: Solve for x
    x = 577,682,306.88/39,365.30
  6. Step 6: Final answer
    x = 14,674.91

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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.