Home / 56,008.37-77,291.51-30,857.87

Finding the Fourth Proportional to 56,008.37, 77,291.51 and 30,857.87

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Solution

The fourth proportional to 56,008.37, 77,291.51 and 30,857.87 is: 42,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.37 : 77,291.51 = 30,857.87 : x
  2. Step 2: Convert to fraction form
    56,008.37/77,291.51 = 30,857.87/x
  3. Step 3: Cross multiply
    56,008.37x = 77,291.51 × 30,857.87
  4. Step 4: Simplify right side
    56,008.37x = 2,385,051,367.68
  5. Step 5: Solve for x
    x = 2,385,051,367.68/56,008.37
  6. Step 6: Final answer
    x = 42,583.84

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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.