Home / 51,825.36-77,776.47-38,529.12

Finding the Fourth Proportional to 51,825.36, 77,776.47 and 38,529.12

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Solution

The fourth proportional to 51,825.36, 77,776.47 and 38,529.12 is: 57,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,825.36 : 77,776.47 = 38,529.12 : x
  2. Step 2: Convert to fraction form
    51,825.36/77,776.47 = 38,529.12/x
  3. Step 3: Cross multiply
    51,825.36x = 77,776.47 × 38,529.12
  4. Step 4: Simplify right side
    51,825.36x = 2,996,658,945.81
  5. Step 5: Solve for x
    x = 2,996,658,945.81/51,825.36
  6. Step 6: Final answer
    x = 57,822.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.