Home / 51,647.32-71,267.43-28,981.63

Finding the Fourth Proportional to 51,647.32, 71,267.43 and 28,981.63

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Solution

The fourth proportional to 51,647.32, 71,267.43 and 28,981.63 is: 39,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.32 : 71,267.43 = 28,981.63 : x
  2. Step 2: Convert to fraction form
    51,647.32/71,267.43 = 28,981.63/x
  3. Step 3: Cross multiply
    51,647.32x = 71,267.43 × 28,981.63
  4. Step 4: Simplify right side
    51,647.32x = 2,065,446,287.31
  5. Step 5: Solve for x
    x = 2,065,446,287.31/51,647.32
  6. Step 6: Final answer
    x = 39,991.35

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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.