Home / 56,372.22-77,795.60-30,880.13

Finding the Fourth Proportional to 56,372.22, 77,795.60 and 30,880.13

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Solution

The fourth proportional to 56,372.22, 77,795.60 and 30,880.13 is: 42,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.22 : 77,795.60 = 30,880.13 : x
  2. Step 2: Convert to fraction form
    56,372.22/77,795.60 = 30,880.13/x
  3. Step 3: Cross multiply
    56,372.22x = 77,795.60 × 30,880.13
  4. Step 4: Simplify right side
    56,372.22x = 2,402,337,698.05
  5. Step 5: Solve for x
    x = 2,402,337,698.05/56,372.22
  6. Step 6: Final answer
    x = 42,615.63

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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.