Home / 30,703.81-46,035.29-11,985.57

Finding the Fourth Proportional to 30,703.81, 46,035.29 and 11,985.57

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Solution

The fourth proportional to 30,703.81, 46,035.29 and 11,985.57 is: 17,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.81 : 46,035.29 = 11,985.57 : x
  2. Step 2: Convert to fraction form
    30,703.81/46,035.29 = 11,985.57/x
  3. Step 3: Cross multiply
    30,703.81x = 46,035.29 × 11,985.57
  4. Step 4: Simplify right side
    30,703.81x = 551,759,153.31
  5. Step 5: Solve for x
    x = 551,759,153.31/30,703.81
  6. Step 6: Final answer
    x = 17,970.38

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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.