Home / 30,185.95-45,278.93-11,466

Finding the Fourth Proportional to 30,185.95, 45,278.93 and 11,466

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Solution

The fourth proportional to 30,185.95, 45,278.93 and 11,466 is: 17,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.95 : 45,278.93 = 11,466 : x
  2. Step 2: Convert to fraction form
    30,185.95/45,278.93 = 11,466/x
  3. Step 3: Cross multiply
    30,185.95x = 45,278.93 × 11,466
  4. Step 4: Simplify right side
    30,185.95x = 519,168,211.38
  5. Step 5: Solve for x
    x = 519,168,211.38/30,185.95
  6. Step 6: Final answer
    x = 17,199.00

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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.