Home / 62,840.34-94,274.28-20,718.72

Finding the Fourth Proportional to 62,840.34, 94,274.28 and 20,718.72

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Solution

The fourth proportional to 62,840.34, 94,274.28 and 20,718.72 is: 31,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.34 : 94,274.28 = 20,718.72 : x
  2. Step 2: Convert to fraction form
    62,840.34/94,274.28 = 20,718.72/x
  3. Step 3: Cross multiply
    62,840.34x = 94,274.28 × 20,718.72
  4. Step 4: Simplify right side
    62,840.34x = 1,953,242,410.52
  5. Step 5: Solve for x
    x = 1,953,242,410.52/62,840.34
  6. Step 6: Final answer
    x = 31,082.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.