Home / 50,965.76-70,331.63-28,303.47

Finding the Fourth Proportional to 50,965.76, 70,331.63 and 28,303.47

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Solution

The fourth proportional to 50,965.76, 70,331.63 and 28,303.47 is: 39,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,965.76 : 70,331.63 = 28,303.47 : x
  2. Step 2: Convert to fraction form
    50,965.76/70,331.63 = 28,303.47/x
  3. Step 3: Cross multiply
    50,965.76x = 70,331.63 × 28,303.47
  4. Step 4: Simplify right side
    50,965.76x = 1,990,629,426.34
  5. Step 5: Solve for x
    x = 1,990,629,426.34/50,965.76
  6. Step 6: Final answer
    x = 39,058.18

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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.