Home / 39,124.02-53,990.78-22,131.58

Finding the Fourth Proportional to 39,124.02, 53,990.78 and 22,131.58

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Solution

The fourth proportional to 39,124.02, 53,990.78 and 22,131.58 is: 30,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.02 : 53,990.78 = 22,131.58 : x
  2. Step 2: Convert to fraction form
    39,124.02/53,990.78 = 22,131.58/x
  3. Step 3: Cross multiply
    39,124.02x = 53,990.78 × 22,131.58
  4. Step 4: Simplify right side
    39,124.02x = 1,194,901,266.83
  5. Step 5: Solve for x
    x = 1,194,901,266.83/39,124.02
  6. Step 6: Final answer
    x = 30,541.37

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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.