Home / 39,528.08-59,291.04-11,448.08

Finding the Fourth Proportional to 39,528.08, 59,291.04 and 11,448.08

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Solution

The fourth proportional to 39,528.08, 59,291.04 and 11,448.08 is: 17,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.08 : 59,291.04 = 11,448.08 : x
  2. Step 2: Convert to fraction form
    39,528.08/59,291.04 = 11,448.08/x
  3. Step 3: Cross multiply
    39,528.08x = 59,291.04 × 11,448.08
  4. Step 4: Simplify right side
    39,528.08x = 678,768,569.20
  5. Step 5: Solve for x
    x = 678,768,569.20/39,528.08
  6. Step 6: Final answer
    x = 17,171.81

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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.