Home / 39,122.02-53,988.02-22,129.58

Finding the Fourth Proportional to 39,122.02, 53,988.02 and 22,129.58

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Solution

The fourth proportional to 39,122.02, 53,988.02 and 22,129.58 is: 30,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.02 : 53,988.02 = 22,129.58 : x
  2. Step 2: Convert to fraction form
    39,122.02/53,988.02 = 22,129.58/x
  3. Step 3: Cross multiply
    39,122.02x = 53,988.02 × 22,129.58
  4. Step 4: Simplify right side
    39,122.02x = 1,194,732,207.63
  5. Step 5: Solve for x
    x = 1,194,732,207.63/39,122.02
  6. Step 6: Final answer
    x = 30,538.61

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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.