Home / 47,641.88-65,744.78-26,420.70

Finding the Fourth Proportional to 47,641.88, 65,744.78 and 26,420.70

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Solution

The fourth proportional to 47,641.88, 65,744.78 and 26,420.70 is: 36,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.88 : 65,744.78 = 26,420.70 : x
  2. Step 2: Convert to fraction form
    47,641.88/65,744.78 = 26,420.70/x
  3. Step 3: Cross multiply
    47,641.88x = 65,744.78 × 26,420.70
  4. Step 4: Simplify right side
    47,641.88x = 1,737,023,108.95
  5. Step 5: Solve for x
    x = 1,737,023,108.95/47,641.88
  6. Step 6: Final answer
    x = 36,460.00

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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.