Home / 30,366.17-45,554.73-14,557.81

Finding the Fourth Proportional to 30,366.17, 45,554.73 and 14,557.81

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Solution

The fourth proportional to 30,366.17, 45,554.73 and 14,557.81 is: 21,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.17 : 45,554.73 = 14,557.81 : x
  2. Step 2: Convert to fraction form
    30,366.17/45,554.73 = 14,557.81/x
  3. Step 3: Cross multiply
    30,366.17x = 45,554.73 × 14,557.81
  4. Step 4: Simplify right side
    30,366.17x = 663,177,103.94
  5. Step 5: Solve for x
    x = 663,177,103.94/30,366.17
  6. Step 6: Final answer
    x = 21,839.34

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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.