Home / 45,435.90-68,148.99-15,854.30

Finding the Fourth Proportional to 45,435.90, 68,148.99 and 15,854.30

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Solution

The fourth proportional to 45,435.90, 68,148.99 and 15,854.30 is: 23,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.90 : 68,148.99 = 15,854.30 : x
  2. Step 2: Convert to fraction form
    45,435.90/68,148.99 = 15,854.30/x
  3. Step 3: Cross multiply
    45,435.90x = 68,148.99 × 15,854.30
  4. Step 4: Simplify right side
    45,435.90x = 1,080,454,112.14
  5. Step 5: Solve for x
    x = 1,080,454,112.14/45,435.90
  6. Step 6: Final answer
    x = 23,779.74

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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.