Home / 56,024.82-77,313.26-30,531.41

Finding the Fourth Proportional to 56,024.82, 77,313.26 and 30,531.41

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Solution

The fourth proportional to 56,024.82, 77,313.26 and 30,531.41 is: 42,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.82 : 77,313.26 = 30,531.41 : x
  2. Step 2: Convert to fraction form
    56,024.82/77,313.26 = 30,531.41/x
  3. Step 3: Cross multiply
    56,024.82x = 77,313.26 × 30,531.41
  4. Step 4: Simplify right side
    56,024.82x = 2,360,482,839.50
  5. Step 5: Solve for x
    x = 2,360,482,839.50/56,024.82
  6. Step 6: Final answer
    x = 42,132.81

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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.