Home / 35,650.80-53,411.40-21,783.60

Finding the Fourth Proportional to 35,650.80, 53,411.40 and 21,783.60

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Solution

The fourth proportional to 35,650.80, 53,411.40 and 21,783.60 is: 32,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.80 : 53,411.40 = 21,783.60 : x
  2. Step 2: Convert to fraction form
    35,650.80/53,411.40 = 21,783.60/x
  3. Step 3: Cross multiply
    35,650.80x = 53,411.40 × 21,783.60
  4. Step 4: Simplify right side
    35,650.80x = 1,163,492,573.04
  5. Step 5: Solve for x
    x = 1,163,492,573.04/35,650.80
  6. Step 6: Final answer
    x = 32,635.81

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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.