Home / 47,612.88-71,386.38-20,946.06

Finding the Fourth Proportional to 47,612.88, 71,386.38 and 20,946.06

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Solution

The fourth proportional to 47,612.88, 71,386.38 and 20,946.06 is: 31,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.88 : 71,386.38 = 20,946.06 : x
  2. Step 2: Convert to fraction form
    47,612.88/71,386.38 = 20,946.06/x
  3. Step 3: Cross multiply
    47,612.88x = 71,386.38 × 20,946.06
  4. Step 4: Simplify right side
    47,612.88x = 1,495,263,398.66
  5. Step 5: Solve for x
    x = 1,495,263,398.66/47,612.88
  6. Step 6: Final answer
    x = 31,404.60

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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.