Home / 48,999.45-67,619.66-27,779.07

Finding the Fourth Proportional to 48,999.45, 67,619.66 and 27,779.07

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Solution

The fourth proportional to 48,999.45, 67,619.66 and 27,779.07 is: 38,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.45 : 67,619.66 = 27,779.07 : x
  2. Step 2: Convert to fraction form
    48,999.45/67,619.66 = 27,779.07/x
  3. Step 3: Cross multiply
    48,999.45x = 67,619.66 × 27,779.07
  4. Step 4: Simplify right side
    48,999.45x = 1,878,411,129.62
  5. Step 5: Solve for x
    x = 1,878,411,129.62/48,999.45
  6. Step 6: Final answer
    x = 38,335.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.