Home / 30,273.03-45,417.15-10,551.78

Finding the Fourth Proportional to 30,273.03, 45,417.15 and 10,551.78

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Solution

The fourth proportional to 30,273.03, 45,417.15 and 10,551.78 is: 15,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.03 : 45,417.15 = 10,551.78 : x
  2. Step 2: Convert to fraction form
    30,273.03/45,417.15 = 10,551.78/x
  3. Step 3: Cross multiply
    30,273.03x = 45,417.15 × 10,551.78
  4. Step 4: Simplify right side
    30,273.03x = 479,231,775.03
  5. Step 5: Solve for x
    x = 479,231,775.03/30,273.03
  6. Step 6: Final answer
    x = 15,830.32

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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.