Home / 30,094.78-45,141.15-14,307.38

Finding the Fourth Proportional to 30,094.78, 45,141.15 and 14,307.38

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Solution

The fourth proportional to 30,094.78, 45,141.15 and 14,307.38 is: 21,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094.78 : 45,141.15 = 14,307.38 : x
  2. Step 2: Convert to fraction form
    30,094.78/45,141.15 = 14,307.38/x
  3. Step 3: Cross multiply
    30,094.78x = 45,141.15 × 14,307.38
  4. Step 4: Simplify right side
    30,094.78x = 645,851,586.69
  5. Step 5: Solve for x
    x = 645,851,586.69/30,094.78
  6. Step 6: Final answer
    x = 21,460.59

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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.