Home / 82,774.04-124,161.10-20,444.60

Finding the Fourth Proportional to 82,774.04, 124,161.10 and 20,444.60

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Solution

The fourth proportional to 82,774.04, 124,161.10 and 20,444.60 is: 30,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774.04 : 124,161.10 = 20,444.60 : x
  2. Step 2: Convert to fraction form
    82,774.04/124,161.10 = 20,444.60/x
  3. Step 3: Cross multiply
    82,774.04x = 124,161.10 × 20,444.60
  4. Step 4: Simplify right side
    82,774.04x = 2,538,424,025.06
  5. Step 5: Solve for x
    x = 2,538,424,025.06/82,774.04
  6. Step 6: Final answer
    x = 30,666.91

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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.