Home / 34,356.56-47,428.61-21,615.93

Finding the Fourth Proportional to 34,356.56, 47,428.61 and 21,615.93

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Solution

The fourth proportional to 34,356.56, 47,428.61 and 21,615.93 is: 29,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.56 : 47,428.61 = 21,615.93 : x
  2. Step 2: Convert to fraction form
    34,356.56/47,428.61 = 21,615.93/x
  3. Step 3: Cross multiply
    34,356.56x = 47,428.61 × 21,615.93
  4. Step 4: Simplify right side
    34,356.56x = 1,025,213,405.68
  5. Step 5: Solve for x
    x = 1,025,213,405.68/34,356.56
  6. Step 6: Final answer
    x = 29,840.40

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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.