Home / 30,928.95-46,395.93-8,742.51

Finding the Fourth Proportional to 30,928.95, 46,395.93 and 8,742.51

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Solution

The fourth proportional to 30,928.95, 46,395.93 and 8,742.51 is: 13,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.95 : 46,395.93 = 8,742.51 : x
  2. Step 2: Convert to fraction form
    30,928.95/46,395.93 = 8,742.51/x
  3. Step 3: Cross multiply
    30,928.95x = 46,395.93 × 8,742.51
  4. Step 4: Simplify right side
    30,928.95x = 405,616,881.98
  5. Step 5: Solve for x
    x = 405,616,881.98/30,928.95
  6. Step 6: Final answer
    x = 13,114.47

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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.