Home / 32,429.90-48,636.13-12,435.05

Finding the Fourth Proportional to 32,429.90, 48,636.13 and 12,435.05

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Solution

The fourth proportional to 32,429.90, 48,636.13 and 12,435.05 is: 18,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,429.90 : 48,636.13 = 12,435.05 : x
  2. Step 2: Convert to fraction form
    32,429.90/48,636.13 = 12,435.05/x
  3. Step 3: Cross multiply
    32,429.90x = 48,636.13 × 12,435.05
  4. Step 4: Simplify right side
    32,429.90x = 604,792,708.36
  5. Step 5: Solve for x
    x = 604,792,708.36/32,429.90
  6. Step 6: Final answer
    x = 18,649.23

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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.