Home / 56,501.40-77,966.25-33,839.79

Finding the Fourth Proportional to 56,501.40, 77,966.25 and 33,839.79

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Solution

The fourth proportional to 56,501.40, 77,966.25 and 33,839.79 is: 46,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.40 : 77,966.25 = 33,839.79 : x
  2. Step 2: Convert to fraction form
    56,501.40/77,966.25 = 33,839.79/x
  3. Step 3: Cross multiply
    56,501.40x = 77,966.25 × 33,839.79
  4. Step 4: Simplify right side
    56,501.40x = 2,638,361,546.38
  5. Step 5: Solve for x
    x = 2,638,361,546.38/56,501.40
  6. Step 6: Final answer
    x = 46,695.51

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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.