Home / 56,247.88-77,622.08-30,754.27

Finding the Fourth Proportional to 56,247.88, 77,622.08 and 30,754.27

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Solution

The fourth proportional to 56,247.88, 77,622.08 and 30,754.27 is: 42,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.88 : 77,622.08 = 30,754.27 : x
  2. Step 2: Convert to fraction form
    56,247.88/77,622.08 = 30,754.27/x
  3. Step 3: Cross multiply
    56,247.88x = 77,622.08 × 30,754.27
  4. Step 4: Simplify right side
    56,247.88x = 2,387,210,172.40
  5. Step 5: Solve for x
    x = 2,387,210,172.40/56,247.88
  6. Step 6: Final answer
    x = 42,440.89

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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.