Home / 34,386.40-51,574.06-9,420.62

Finding the Fourth Proportional to 34,386.40, 51,574.06 and 9,420.62

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Solution

The fourth proportional to 34,386.40, 51,574.06 and 9,420.62 is: 14,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.40 : 51,574.06 = 9,420.62 : x
  2. Step 2: Convert to fraction form
    34,386.40/51,574.06 = 9,420.62/x
  3. Step 3: Cross multiply
    34,386.40x = 51,574.06 × 9,420.62
  4. Step 4: Simplify right side
    34,386.40x = 485,859,375.02
  5. Step 5: Solve for x
    x = 485,859,375.02/34,386.40
  6. Step 6: Final answer
    x = 14,129.40

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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.