Home / 47,381.80-65,386.45-26,160.60

Finding the Fourth Proportional to 47,381.80, 65,386.45 and 26,160.60

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Solution

The fourth proportional to 47,381.80, 65,386.45 and 26,160.60 is: 36,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.80 : 65,386.45 = 26,160.60 : x
  2. Step 2: Convert to fraction form
    47,381.80/65,386.45 = 26,160.60/x
  3. Step 3: Cross multiply
    47,381.80x = 65,386.45 × 26,160.60
  4. Step 4: Simplify right side
    47,381.80x = 1,710,548,763.87
  5. Step 5: Solve for x
    x = 1,710,548,763.87/47,381.80
  6. Step 6: Final answer
    x = 36,101.39

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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.