Home / 47,683.20-71,810.30-43,426.86

Finding the Fourth Proportional to 47,683.20, 71,810.30 and 43,426.86

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Solution

The fourth proportional to 47,683.20, 71,810.30 and 43,426.86 is: 65,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,683.20 : 71,810.30 = 43,426.86 : x
  2. Step 2: Convert to fraction form
    47,683.20/71,810.30 = 43,426.86/x
  3. Step 3: Cross multiply
    47,683.20x = 71,810.30 × 43,426.86
  4. Step 4: Simplify right side
    47,683.20x = 3,118,495,844.66
  5. Step 5: Solve for x
    x = 3,118,495,844.66/47,683.20
  6. Step 6: Final answer
    x = 65,400.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.