Home / 40,394.34-60,603.86-20,686.84

Finding the Fourth Proportional to 40,394.34, 60,603.86 and 20,686.84

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Solution

The fourth proportional to 40,394.34, 60,603.86 and 20,686.84 is: 31,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.34 : 60,603.86 = 20,686.84 : x
  2. Step 2: Convert to fraction form
    40,394.34/60,603.86 = 20,686.84/x
  3. Step 3: Cross multiply
    40,394.34x = 60,603.86 × 20,686.84
  4. Step 4: Simplify right side
    40,394.34x = 1,253,702,355.20
  5. Step 5: Solve for x
    x = 1,253,702,355.20/40,394.34
  6. Step 6: Final answer
    x = 31,036.58

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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.