Home / 30,900.06-46,347.93-8,712.54

Finding the Fourth Proportional to 30,900.06, 46,347.93 and 8,712.54

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Solution

The fourth proportional to 30,900.06, 46,347.93 and 8,712.54 is: 13,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.06 : 46,347.93 = 8,712.54 : x
  2. Step 2: Convert to fraction form
    30,900.06/46,347.93 = 8,712.54/x
  3. Step 3: Cross multiply
    30,900.06x = 46,347.93 × 8,712.54
  4. Step 4: Simplify right side
    30,900.06x = 403,808,194.04
  5. Step 5: Solve for x
    x = 403,808,194.04/30,900.06
  6. Step 6: Final answer
    x = 13,068.20

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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.