Home / 47,887.84-66,087-26,378.48

Finding the Fourth Proportional to 47,887.84, 66,087 and 26,378.48

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Solution

The fourth proportional to 47,887.84, 66,087 and 26,378.48 is: 36,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.84 : 66,087 = 26,378.48 : x
  2. Step 2: Convert to fraction form
    47,887.84/66,087 = 26,378.48/x
  3. Step 3: Cross multiply
    47,887.84x = 66,087 × 26,378.48
  4. Step 4: Simplify right side
    47,887.84x = 1,743,274,607.76
  5. Step 5: Solve for x
    x = 1,743,274,607.76/47,887.84
  6. Step 6: Final answer
    x = 36,403.28

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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.