Home / 38,402.02-57,603.03-12,109.42

Finding the Fourth Proportional to 38,402.02, 57,603.03 and 12,109.42

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Solution

The fourth proportional to 38,402.02, 57,603.03 and 12,109.42 is: 18,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.02 : 57,603.03 = 12,109.42 : x
  2. Step 2: Convert to fraction form
    38,402.02/57,603.03 = 12,109.42/x
  3. Step 3: Cross multiply
    38,402.02x = 57,603.03 × 12,109.42
  4. Step 4: Simplify right side
    38,402.02x = 697,539,283.54
  5. Step 5: Solve for x
    x = 697,539,283.54/38,402.02
  6. Step 6: Final answer
    x = 18,164.13

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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.