Home / 32,920.39-49,386.73-13,200.49

Finding the Fourth Proportional to 32,920.39, 49,386.73 and 13,200.49

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Solution

The fourth proportional to 32,920.39, 49,386.73 and 13,200.49 is: 19,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.39 : 49,386.73 = 13,200.49 : x
  2. Step 2: Convert to fraction form
    32,920.39/49,386.73 = 13,200.49/x
  3. Step 3: Cross multiply
    32,920.39x = 49,386.73 × 13,200.49
  4. Step 4: Simplify right side
    32,920.39x = 651,929,035.50
  5. Step 5: Solve for x
    x = 651,929,035.50/32,920.39
  6. Step 6: Final answer
    x = 19,803.20

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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.