Home / 45,950.20-68,925.30-19,657.60

Finding the Fourth Proportional to 45,950.20, 68,925.30 and 19,657.60

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Solution

The fourth proportional to 45,950.20, 68,925.30 and 19,657.60 is: 29,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.20 : 68,925.30 = 19,657.60 : x
  2. Step 2: Convert to fraction form
    45,950.20/68,925.30 = 19,657.60/x
  3. Step 3: Cross multiply
    45,950.20x = 68,925.30 × 19,657.60
  4. Step 4: Simplify right side
    45,950.20x = 1,354,905,977.28
  5. Step 5: Solve for x
    x = 1,354,905,977.28/45,950.20
  6. Step 6: Final answer
    x = 29,486.40

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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.