Home / 39,528.21-59,290.83-9,945.66

Finding the Fourth Proportional to 39,528.21, 59,290.83 and 9,945.66

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Solution

The fourth proportional to 39,528.21, 59,290.83 and 9,945.66 is: 14,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.21 : 59,290.83 = 9,945.66 : x
  2. Step 2: Convert to fraction form
    39,528.21/59,290.83 = 9,945.66/x
  3. Step 3: Cross multiply
    39,528.21x = 59,290.83 × 9,945.66
  4. Step 4: Simplify right side
    39,528.21x = 589,686,436.30
  5. Step 5: Solve for x
    x = 589,686,436.30/39,528.21
  6. Step 6: Final answer
    x = 14,918.12

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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.