Home / 51,285.03-70,776.90-28,628.48

Finding the Fourth Proportional to 51,285.03, 70,776.90 and 28,628.48

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Solution

The fourth proportional to 51,285.03, 70,776.90 and 28,628.48 is: 39,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.03 : 70,776.90 = 28,628.48 : x
  2. Step 2: Convert to fraction form
    51,285.03/70,776.90 = 28,628.48/x
  3. Step 3: Cross multiply
    51,285.03x = 70,776.90 × 28,628.48
  4. Step 4: Simplify right side
    51,285.03x = 2,026,234,712.23
  5. Step 5: Solve for x
    x = 2,026,234,712.23/51,285.03
  6. Step 6: Final answer
    x = 39,509.28

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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.