Home / 49,539.89-74,312.27-19,953.72

Finding the Fourth Proportional to 49,539.89, 74,312.27 and 19,953.72

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Solution

The fourth proportional to 49,539.89, 74,312.27 and 19,953.72 is: 29,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.89 : 74,312.27 = 19,953.72 : x
  2. Step 2: Convert to fraction form
    49,539.89/74,312.27 = 19,953.72/x
  3. Step 3: Cross multiply
    49,539.89x = 74,312.27 × 19,953.72
  4. Step 4: Simplify right side
    49,539.89x = 1,482,806,128.38
  5. Step 5: Solve for x
    x = 1,482,806,128.38/49,539.89
  6. Step 6: Final answer
    x = 29,931.56

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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.