Home / 36,970.10-55,429.17-12,948.52

Finding the Fourth Proportional to 36,970.10, 55,429.17 and 12,948.52

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Solution

The fourth proportional to 36,970.10, 55,429.17 and 12,948.52 is: 19,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.10 : 55,429.17 = 12,948.52 : x
  2. Step 2: Convert to fraction form
    36,970.10/55,429.17 = 12,948.52/x
  3. Step 3: Cross multiply
    36,970.10x = 55,429.17 × 12,948.52
  4. Step 4: Simplify right side
    36,970.10x = 717,725,802.12
  5. Step 5: Solve for x
    x = 717,725,802.12/36,970.10
  6. Step 6: Final answer
    x = 19,413.69

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1.5x scale

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.