Home / 47,428.61-71,152.02-21,133.27

Finding the Fourth Proportional to 47,428.61, 71,152.02 and 21,133.27

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Solution

The fourth proportional to 47,428.61, 71,152.02 and 21,133.27 is: 31,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.61 : 71,152.02 = 21,133.27 : x
  2. Step 2: Convert to fraction form
    47,428.61/71,152.02 = 21,133.27/x
  3. Step 3: Cross multiply
    47,428.61x = 71,152.02 × 21,133.27
  4. Step 4: Simplify right side
    47,428.61x = 1,503,674,938.65
  5. Step 5: Solve for x
    x = 1,503,674,938.65/47,428.61
  6. Step 6: Final answer
    x = 31,703.97

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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.