Home / 31,669.02-47,495.43-11,941.74

Finding the Fourth Proportional to 31,669.02, 47,495.43 and 11,941.74

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Solution

The fourth proportional to 31,669.02, 47,495.43 and 11,941.74 is: 17,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.02 : 47,495.43 = 11,941.74 : x
  2. Step 2: Convert to fraction form
    31,669.02/47,495.43 = 11,941.74/x
  3. Step 3: Cross multiply
    31,669.02x = 47,495.43 × 11,941.74
  4. Step 4: Simplify right side
    31,669.02x = 567,178,076.25
  5. Step 5: Solve for x
    x = 567,178,076.25/31,669.02
  6. Step 6: Final answer
    x = 17,909.56

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1.5x scale

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.