Home / 55,322.64-76,346.28-30,173.04

Finding the Fourth Proportional to 55,322.64, 76,346.28 and 30,173.04

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Solution

The fourth proportional to 55,322.64, 76,346.28 and 30,173.04 is: 41,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.64 : 76,346.28 = 30,173.04 : x
  2. Step 2: Convert to fraction form
    55,322.64/76,346.28 = 30,173.04/x
  3. Step 3: Cross multiply
    55,322.64x = 76,346.28 × 30,173.04
  4. Step 4: Simplify right side
    55,322.64x = 2,303,599,360.29
  5. Step 5: Solve for x
    x = 2,303,599,360.29/55,322.64
  6. Step 6: Final answer
    x = 41,639.36

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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.