Home / 32,783.59-45,197.81-21,433.57

Finding the Fourth Proportional to 32,783.59, 45,197.81 and 21,433.57

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Solution

The fourth proportional to 32,783.59, 45,197.81 and 21,433.57 is: 29,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.59 : 45,197.81 = 21,433.57 : x
  2. Step 2: Convert to fraction form
    32,783.59/45,197.81 = 21,433.57/x
  3. Step 3: Cross multiply
    32,783.59x = 45,197.81 × 21,433.57
  4. Step 4: Simplify right side
    32,783.59x = 968,750,430.31
  5. Step 5: Solve for x
    x = 968,750,430.31/32,783.59
  6. Step 6: Final answer
    x = 29,549.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.