Home / 38,432.02-53,036.21-20,768.02

Finding the Fourth Proportional to 38,432.02, 53,036.21 and 20,768.02

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Solution

The fourth proportional to 38,432.02, 53,036.21 and 20,768.02 is: 28,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.02 : 53,036.21 = 20,768.02 : x
  2. Step 2: Convert to fraction form
    38,432.02/53,036.21 = 20,768.02/x
  3. Step 3: Cross multiply
    38,432.02x = 53,036.21 × 20,768.02
  4. Step 4: Simplify right side
    38,432.02x = 1,101,457,070.00
  5. Step 5: Solve for x
    x = 1,101,457,070.00/38,432.02
  6. Step 6: Final answer
    x = 28,659.88

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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.