Home / 70,042.37-96,656.55-38,211.26

Finding the Fourth Proportional to 70,042.37, 96,656.55 and 38,211.26

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Solution

The fourth proportional to 70,042.37, 96,656.55 and 38,211.26 is: 52,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.37 : 96,656.55 = 38,211.26 : x
  2. Step 2: Convert to fraction form
    70,042.37/96,656.55 = 38,211.26/x
  3. Step 3: Cross multiply
    70,042.37x = 96,656.55 × 38,211.26
  4. Step 4: Simplify right side
    70,042.37x = 3,693,368,562.75
  5. Step 5: Solve for x
    x = 3,693,368,562.75/70,042.37
  6. Step 6: Final answer
    x = 52,730.49

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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.