Home / 34,428.78-47,508.93-19,319.34

Finding the Fourth Proportional to 34,428.78, 47,508.93 and 19,319.34

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Solution

The fourth proportional to 34,428.78, 47,508.93 and 19,319.34 is: 26,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.78 : 47,508.93 = 19,319.34 : x
  2. Step 2: Convert to fraction form
    34,428.78/47,508.93 = 19,319.34/x
  3. Step 3: Cross multiply
    34,428.78x = 47,508.93 × 19,319.34
  4. Step 4: Simplify right side
    34,428.78x = 917,841,171.71
  5. Step 5: Solve for x
    x = 917,841,171.71/34,428.78
  6. Step 6: Final answer
    x = 26,659.13

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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.