Home / 56,440.05-77,887.49-30,946.82

Finding the Fourth Proportional to 56,440.05, 77,887.49 and 30,946.82

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Solution

The fourth proportional to 56,440.05, 77,887.49 and 30,946.82 is: 42,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.05 : 77,887.49 = 30,946.82 : x
  2. Step 2: Convert to fraction form
    56,440.05/77,887.49 = 30,946.82/x
  3. Step 3: Cross multiply
    56,440.05x = 77,887.49 × 30,946.82
  4. Step 4: Simplify right side
    56,440.05x = 2,410,369,589.11
  5. Step 5: Solve for x
    x = 2,410,369,589.11/56,440.05
  6. Step 6: Final answer
    x = 42,706.72

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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.