Home / 47,448.64-65,436.70-39,369.49

Finding the Fourth Proportional to 47,448.64, 65,436.70 and 39,369.49

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Solution

The fourth proportional to 47,448.64, 65,436.70 and 39,369.49 is: 54,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.64 : 65,436.70 = 39,369.49 : x
  2. Step 2: Convert to fraction form
    47,448.64/65,436.70 = 39,369.49/x
  3. Step 3: Cross multiply
    47,448.64x = 65,436.70 × 39,369.49
  4. Step 4: Simplify right side
    47,448.64x = 2,576,209,506.28
  5. Step 5: Solve for x
    x = 2,576,209,506.28/47,448.64
  6. Step 6: Final answer
    x = 54,294.70

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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.