Home / 35,778.80-53,724.36-30,303.92

Finding the Fourth Proportional to 35,778.80, 53,724.36 and 30,303.92

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Solution

The fourth proportional to 35,778.80, 53,724.36 and 30,303.92 is: 45,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.80 : 53,724.36 = 30,303.92 : x
  2. Step 2: Convert to fraction form
    35,778.80/53,724.36 = 30,303.92/x
  3. Step 3: Cross multiply
    35,778.80x = 53,724.36 × 30,303.92
  4. Step 4: Simplify right side
    35,778.80x = 1,628,058,707.49
  5. Step 5: Solve for x
    x = 1,628,058,707.49/35,778.80
  6. Step 6: Final answer
    x = 45,503.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.