Home / 56,247.54-77,622.06-30,753.60

Finding the Fourth Proportional to 56,247.54, 77,622.06 and 30,753.60

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Solution

The fourth proportional to 56,247.54, 77,622.06 and 30,753.60 is: 42,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.54 : 77,622.06 = 30,753.60 : x
  2. Step 2: Convert to fraction form
    56,247.54/77,622.06 = 30,753.60/x
  3. Step 3: Cross multiply
    56,247.54x = 77,622.06 × 30,753.60
  4. Step 4: Simplify right side
    56,247.54x = 2,387,157,784.42
  5. Step 5: Solve for x
    x = 2,387,157,784.42/56,247.54
  6. Step 6: Final answer
    x = 42,440.22

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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.