Home / 51,075.86-70,478.03-28,410.37

Finding the Fourth Proportional to 51,075.86, 70,478.03 and 28,410.37

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Solution

The fourth proportional to 51,075.86, 70,478.03 and 28,410.37 is: 39,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.86 : 70,478.03 = 28,410.37 : x
  2. Step 2: Convert to fraction form
    51,075.86/70,478.03 = 28,410.37/x
  3. Step 3: Cross multiply
    51,075.86x = 70,478.03 × 28,410.37
  4. Step 4: Simplify right side
    51,075.86x = 2,002,306,804.00
  5. Step 5: Solve for x
    x = 2,002,306,804.00/51,075.86
  6. Step 6: Final answer
    x = 39,202.61

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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.