Home / 47,830.30-66,014.95-31,669.11

Finding the Fourth Proportional to 47,830.30, 66,014.95 and 31,669.11

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Solution

The fourth proportional to 47,830.30, 66,014.95 and 31,669.11 is: 43,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.30 : 66,014.95 = 31,669.11 : x
  2. Step 2: Convert to fraction form
    47,830.30/66,014.95 = 31,669.11/x
  3. Step 3: Cross multiply
    47,830.30x = 66,014.95 × 31,669.11
  4. Step 4: Simplify right side
    47,830.30x = 2,090,634,693.40
  5. Step 5: Solve for x
    x = 2,090,634,693.40/47,830.30
  6. Step 6: Final answer
    x = 43,709.42

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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.