Home / 45,848.76-68,779.31-19,559.66

Finding the Fourth Proportional to 45,848.76, 68,779.31 and 19,559.66

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Solution

The fourth proportional to 45,848.76, 68,779.31 and 19,559.66 is: 29,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,848.76 : 68,779.31 = 19,559.66 : x
  2. Step 2: Convert to fraction form
    45,848.76/68,779.31 = 19,559.66/x
  3. Step 3: Cross multiply
    45,848.76x = 68,779.31 × 19,559.66
  4. Step 4: Simplify right side
    45,848.76x = 1,345,299,476.94
  5. Step 5: Solve for x
    x = 1,345,299,476.94/45,848.76
  6. Step 6: Final answer
    x = 29,342.11

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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.