Home / 34,333.96-47,374.02-20,896.21

Finding the Fourth Proportional to 34,333.96, 47,374.02 and 20,896.21

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Solution

The fourth proportional to 34,333.96, 47,374.02 and 20,896.21 is: 28,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,333.96 : 47,374.02 = 20,896.21 : x
  2. Step 2: Convert to fraction form
    34,333.96/47,374.02 = 20,896.21/x
  3. Step 3: Cross multiply
    34,333.96x = 47,374.02 × 20,896.21
  4. Step 4: Simplify right side
    34,333.96x = 989,937,470.46
  5. Step 5: Solve for x
    x = 989,937,470.46/34,333.96
  6. Step 6: Final answer
    x = 28,832.60

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1.5x scale

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.