Home / 47,783.54-71,675.32-21,457.52

Finding the Fourth Proportional to 47,783.54, 71,675.32 and 21,457.52

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Solution

The fourth proportional to 47,783.54, 71,675.32 and 21,457.52 is: 32,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,783.54 : 71,675.32 = 21,457.52 : x
  2. Step 2: Convert to fraction form
    47,783.54/71,675.32 = 21,457.52/x
  3. Step 3: Cross multiply
    47,783.54x = 71,675.32 × 21,457.52
  4. Step 4: Simplify right side
    47,783.54x = 1,537,974,612.41
  5. Step 5: Solve for x
    x = 1,537,974,612.41/47,783.54
  6. Step 6: Final answer
    x = 32,186.28

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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.