Home / 39,687.06-59,533.47-11,987.22

Finding the Fourth Proportional to 39,687.06, 59,533.47 and 11,987.22

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Solution

The fourth proportional to 39,687.06, 59,533.47 and 11,987.22 is: 17,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.06 : 59,533.47 = 11,987.22 : x
  2. Step 2: Convert to fraction form
    39,687.06/59,533.47 = 11,987.22/x
  3. Step 3: Cross multiply
    39,687.06x = 59,533.47 × 11,987.22
  4. Step 4: Simplify right side
    39,687.06x = 713,640,802.25
  5. Step 5: Solve for x
    x = 713,640,802.25/39,687.06
  6. Step 6: Final answer
    x = 17,981.70

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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.