Home / 51,016.03-70,400.75-28,354.46

Finding the Fourth Proportional to 51,016.03, 70,400.75 and 28,354.46

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Solution

The fourth proportional to 51,016.03, 70,400.75 and 28,354.46 is: 39,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,016.03 : 70,400.75 = 28,354.46 : x
  2. Step 2: Convert to fraction form
    51,016.03/70,400.75 = 28,354.46/x
  3. Step 3: Cross multiply
    51,016.03x = 70,400.75 × 28,354.46
  4. Step 4: Simplify right side
    51,016.03x = 1,996,174,756.07
  5. Step 5: Solve for x
    x = 1,996,174,756.07/51,016.03
  6. Step 6: Final answer
    x = 39,128.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.