Home / 39,130.02-53,999.06-22,137.57

Finding the Fourth Proportional to 39,130.02, 53,999.06 and 22,137.57

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Solution

The fourth proportional to 39,130.02, 53,999.06 and 22,137.57 is: 30,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.02 : 53,999.06 = 22,137.57 : x
  2. Step 2: Convert to fraction form
    39,130.02/53,999.06 = 22,137.57/x
  3. Step 3: Cross multiply
    39,130.02x = 53,999.06 × 22,137.57
  4. Step 4: Simplify right side
    39,130.02x = 1,195,407,860.00
  5. Step 5: Solve for x
    x = 1,195,407,860.00/39,130.02
  6. Step 6: Final answer
    x = 30,549.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.