Home / 34,428.79-51,643.19-11,071.63

Finding the Fourth Proportional to 34,428.79, 51,643.19 and 11,071.63

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Solution

The fourth proportional to 34,428.79, 51,643.19 and 11,071.63 is: 16,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.79 : 51,643.19 = 11,071.63 : x
  2. Step 2: Convert to fraction form
    34,428.79/51,643.19 = 11,071.63/x
  3. Step 3: Cross multiply
    34,428.79x = 51,643.19 × 11,071.63
  4. Step 4: Simplify right side
    34,428.79x = 571,774,291.70
  5. Step 5: Solve for x
    x = 571,774,291.70/34,428.79
  6. Step 6: Final answer
    x = 16,607.45

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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.