Home / 30,110.41-45,141.50-14,307.51

Finding the Fourth Proportional to 30,110.41, 45,141.50 and 14,307.51

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Solution

The fourth proportional to 30,110.41, 45,141.50 and 14,307.51 is: 21,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.41 : 45,141.50 = 14,307.51 : x
  2. Step 2: Convert to fraction form
    30,110.41/45,141.50 = 14,307.51/x
  3. Step 3: Cross multiply
    30,110.41x = 45,141.50 × 14,307.51
  4. Step 4: Simplify right side
    30,110.41x = 645,862,462.67
  5. Step 5: Solve for x
    x = 645,862,462.67/30,110.41
  6. Step 6: Final answer
    x = 21,449.81

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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.