Home / 35,479.92-53,225.34-12,100.90

Finding the Fourth Proportional to 35,479.92, 53,225.34 and 12,100.90

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Solution

The fourth proportional to 35,479.92, 53,225.34 and 12,100.90 is: 18,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.92 : 53,225.34 = 12,100.90 : x
  2. Step 2: Convert to fraction form
    35,479.92/53,225.34 = 12,100.90/x
  3. Step 3: Cross multiply
    35,479.92x = 53,225.34 × 12,100.90
  4. Step 4: Simplify right side
    35,479.92x = 644,074,516.81
  5. Step 5: Solve for x
    x = 644,074,516.81/35,479.92
  6. Step 6: Final answer
    x = 18,153.21

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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.