Home / 39,528.20-59,290.18-9,945.99

Finding the Fourth Proportional to 39,528.20, 59,290.18 and 9,945.99

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Solution

The fourth proportional to 39,528.20, 59,290.18 and 9,945.99 is: 14,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.20 : 59,290.18 = 9,945.99 : x
  2. Step 2: Convert to fraction form
    39,528.20/59,290.18 = 9,945.99/x
  3. Step 3: Cross multiply
    39,528.20x = 59,290.18 × 9,945.99
  4. Step 4: Simplify right side
    39,528.20x = 589,699,512.51
  5. Step 5: Solve for x
    x = 589,699,512.51/39,528.20
  6. Step 6: Final answer
    x = 14,918.45

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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.