Home / 47,670.96-66,087.32-45,143.15

Finding the Fourth Proportional to 47,670.96, 66,087.32 and 45,143.15

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Solution

The fourth proportional to 47,670.96, 66,087.32 and 45,143.15 is: 62,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670.96 : 66,087.32 = 45,143.15 : x
  2. Step 2: Convert to fraction form
    47,670.96/66,087.32 = 45,143.15/x
  3. Step 3: Cross multiply
    47,670.96x = 66,087.32 × 45,143.15
  4. Step 4: Simplify right side
    47,670.96x = 2,983,390,077.93
  5. Step 5: Solve for x
    x = 2,983,390,077.93/47,670.96
  6. Step 6: Final answer
    x = 62,582.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.