Home / 47,020.26-70,437.24-28,305.21

Finding the Fourth Proportional to 47,020.26, 70,437.24 and 28,305.21

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Solution

The fourth proportional to 47,020.26, 70,437.24 and 28,305.21 is: 42,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.26 : 70,437.24 = 28,305.21 : x
  2. Step 2: Convert to fraction form
    47,020.26/70,437.24 = 28,305.21/x
  3. Step 3: Cross multiply
    47,020.26x = 70,437.24 × 28,305.21
  4. Step 4: Simplify right side
    47,020.26x = 1,993,740,870.02
  5. Step 5: Solve for x
    x = 1,993,740,870.02/47,020.26
  6. Step 6: Final answer
    x = 42,401.74

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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.