Home / 47,099.08-64,980.66-29,187.55

Finding the Fourth Proportional to 47,099.08, 64,980.66 and 29,187.55

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Solution

The fourth proportional to 47,099.08, 64,980.66 and 29,187.55 is: 40,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.08 : 64,980.66 = 29,187.55 : x
  2. Step 2: Convert to fraction form
    47,099.08/64,980.66 = 29,187.55/x
  3. Step 3: Cross multiply
    47,099.08x = 64,980.66 × 29,187.55
  4. Step 4: Simplify right side
    47,099.08x = 1,896,626,116.85
  5. Step 5: Solve for x
    x = 1,896,626,116.85/47,099.08
  6. Step 6: Final answer
    x = 40,268.86

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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.