Home / 55,459.08-76,533.53-30,308.58

Finding the Fourth Proportional to 55,459.08, 76,533.53 and 30,308.58

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Solution

The fourth proportional to 55,459.08, 76,533.53 and 30,308.58 is: 41,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.08 : 76,533.53 = 30,308.58 : x
  2. Step 2: Convert to fraction form
    55,459.08/76,533.53 = 30,308.58/x
  3. Step 3: Cross multiply
    55,459.08x = 76,533.53 × 30,308.58
  4. Step 4: Simplify right side
    55,459.08x = 2,319,622,465.14
  5. Step 5: Solve for x
    x = 2,319,622,465.14/55,459.08
  6. Step 6: Final answer
    x = 41,825.84

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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.