Home / 56,389.35-77,816.44-30,895.51

Finding the Fourth Proportional to 56,389.35, 77,816.44 and 30,895.51

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Solution

The fourth proportional to 56,389.35, 77,816.44 and 30,895.51 is: 42,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,389.35 : 77,816.44 = 30,895.51 : x
  2. Step 2: Convert to fraction form
    56,389.35/77,816.44 = 30,895.51/x
  3. Step 3: Cross multiply
    56,389.35x = 77,816.44 × 30,895.51
  4. Step 4: Simplify right side
    56,389.35x = 2,404,178,600.18
  5. Step 5: Solve for x
    x = 2,404,178,600.18/56,389.35
  6. Step 6: Final answer
    x = 42,635.33

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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.