Home / 47,183.40-70,807.86-30,502.05

Finding the Fourth Proportional to 47,183.40, 70,807.86 and 30,502.05

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Solution

The fourth proportional to 47,183.40, 70,807.86 and 30,502.05 is: 45,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,183.40 : 70,807.86 = 30,502.05 : x
  2. Step 2: Convert to fraction form
    47,183.40/70,807.86 = 30,502.05/x
  3. Step 3: Cross multiply
    47,183.40x = 70,807.86 × 30,502.05
  4. Step 4: Simplify right side
    47,183.40x = 2,159,784,886.11
  5. Step 5: Solve for x
    x = 2,159,784,886.11/47,183.40
  6. Step 6: Final answer
    x = 45,774.25

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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.