Home / 47,315.46-70,970.39-17,730.82

Finding the Fourth Proportional to 47,315.46, 70,970.39 and 17,730.82

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Solution

The fourth proportional to 47,315.46, 70,970.39 and 17,730.82 is: 26,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315.46 : 70,970.39 = 17,730.82 : x
  2. Step 2: Convert to fraction form
    47,315.46/70,970.39 = 17,730.82/x
  3. Step 3: Cross multiply
    47,315.46x = 70,970.39 × 17,730.82
  4. Step 4: Simplify right side
    47,315.46x = 1,258,363,210.42
  5. Step 5: Solve for x
    x = 1,258,363,210.42/47,315.46
  6. Step 6: Final answer
    x = 26,595.18

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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.