Home / 56,045.32-77,343.14-30,895.72

Finding the Fourth Proportional to 56,045.32, 77,343.14 and 30,895.72

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Solution

The fourth proportional to 56,045.32, 77,343.14 and 30,895.72 is: 42,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.32 : 77,343.14 = 30,895.72 : x
  2. Step 2: Convert to fraction form
    56,045.32/77,343.14 = 30,895.72/x
  3. Step 3: Cross multiply
    56,045.32x = 77,343.14 × 30,895.72
  4. Step 4: Simplify right side
    56,045.32x = 2,389,571,997.36
  5. Step 5: Solve for x
    x = 2,389,571,997.36/56,045.32
  6. Step 6: Final answer
    x = 42,636.42

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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.