Home / 30,908.14-46,345.74-14,259.58

Finding the Fourth Proportional to 30,908.14, 46,345.74 and 14,259.58

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Solution

The fourth proportional to 30,908.14, 46,345.74 and 14,259.58 is: 21,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.14 : 46,345.74 = 14,259.58 : x
  2. Step 2: Convert to fraction form
    30,908.14/46,345.74 = 14,259.58/x
  3. Step 3: Cross multiply
    30,908.14x = 46,345.74 × 14,259.58
  4. Step 4: Simplify right side
    30,908.14x = 660,870,787.19
  5. Step 5: Solve for x
    x = 660,870,787.19/30,908.14
  6. Step 6: Final answer
    x = 21,381.77

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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.