Home / 32,782.80-49,166.90-12,792.81

Finding the Fourth Proportional to 32,782.80, 49,166.90 and 12,792.81

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Solution

The fourth proportional to 32,782.80, 49,166.90 and 12,792.81 is: 19,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,782.80 : 49,166.90 = 12,792.81 : x
  2. Step 2: Convert to fraction form
    32,782.80/49,166.90 = 12,792.81/x
  3. Step 3: Cross multiply
    32,782.80x = 49,166.90 × 12,792.81
  4. Step 4: Simplify right side
    32,782.80x = 628,982,746.02
  5. Step 5: Solve for x
    x = 628,982,746.02/32,782.80
  6. Step 6: Final answer
    x = 19,186.36

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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.