Home / 30,945.14-46,420.29-9,888.18

Finding the Fourth Proportional to 30,945.14, 46,420.29 and 9,888.18

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Solution

The fourth proportional to 30,945.14, 46,420.29 and 9,888.18 is: 14,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.14 : 46,420.29 = 9,888.18 : x
  2. Step 2: Convert to fraction form
    30,945.14/46,420.29 = 9,888.18/x
  3. Step 3: Cross multiply
    30,945.14x = 46,420.29 × 9,888.18
  4. Step 4: Simplify right side
    30,945.14x = 459,012,009.10
  5. Step 5: Solve for x
    x = 459,012,009.10/30,945.14
  6. Step 6: Final answer
    x = 14,833.09

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1.5x scale

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.