Home / 56,023.44-77,316.10-30,872.94

Finding the Fourth Proportional to 56,023.44, 77,316.10 and 30,872.94

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Solution

The fourth proportional to 56,023.44, 77,316.10 and 30,872.94 is: 42,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023.44 : 77,316.10 = 30,872.94 : x
  2. Step 2: Convert to fraction form
    56,023.44/77,316.10 = 30,872.94/x
  3. Step 3: Cross multiply
    56,023.44x = 77,316.10 × 30,872.94
  4. Step 4: Simplify right side
    56,023.44x = 2,386,975,316.33
  5. Step 5: Solve for x
    x = 2,386,975,316.33/56,023.44
  6. Step 6: Final answer
    x = 42,606.73

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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.