Home / 32,849.89-45,332.87-18,702.72

Finding the Fourth Proportional to 32,849.89, 45,332.87 and 18,702.72

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Solution

The fourth proportional to 32,849.89, 45,332.87 and 18,702.72 is: 25,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,849.89 : 45,332.87 = 18,702.72 : x
  2. Step 2: Convert to fraction form
    32,849.89/45,332.87 = 18,702.72/x
  3. Step 3: Cross multiply
    32,849.89x = 45,332.87 × 18,702.72
  4. Step 4: Simplify right side
    32,849.89x = 847,847,880.89
  5. Step 5: Solve for x
    x = 847,847,880.89/32,849.89
  6. Step 6: Final answer
    x = 25,809.77

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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.