Home / 47,463.19-65,438.34-30,436.48

Finding the Fourth Proportional to 47,463.19, 65,438.34 and 30,436.48

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Solution

The fourth proportional to 47,463.19, 65,438.34 and 30,436.48 is: 41,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,463.19 : 65,438.34 = 30,436.48 : x
  2. Step 2: Convert to fraction form
    47,463.19/65,438.34 = 30,436.48/x
  3. Step 3: Cross multiply
    47,463.19x = 65,438.34 × 30,436.48
  4. Step 4: Simplify right side
    47,463.19x = 1,991,712,726.64
  5. Step 5: Solve for x
    x = 1,991,712,726.64/47,463.19
  6. Step 6: Final answer
    x = 41,963.31

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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.