Home / 47,038.44-70,532.82-20,730.72

Finding the Fourth Proportional to 47,038.44, 70,532.82 and 20,730.72

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Solution

The fourth proportional to 47,038.44, 70,532.82 and 20,730.72 is: 31,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,038.44 : 70,532.82 = 20,730.72 : x
  2. Step 2: Convert to fraction form
    47,038.44/70,532.82 = 20,730.72/x
  3. Step 3: Cross multiply
    47,038.44x = 70,532.82 × 20,730.72
  4. Step 4: Simplify right side
    47,038.44x = 1,462,196,142.23
  5. Step 5: Solve for x
    x = 1,462,196,142.23/47,038.44
  6. Step 6: Final answer
    x = 31,085.13

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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.