Home / 54,421.96-75,102.60-30,548.92

Finding the Fourth Proportional to 54,421.96, 75,102.60 and 30,548.92

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Solution

The fourth proportional to 54,421.96, 75,102.60 and 30,548.92 is: 42,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.96 : 75,102.60 = 30,548.92 : x
  2. Step 2: Convert to fraction form
    54,421.96/75,102.60 = 30,548.92/x
  3. Step 3: Cross multiply
    54,421.96x = 75,102.60 × 30,548.92
  4. Step 4: Simplify right side
    54,421.96x = 2,294,303,319.19
  5. Step 5: Solve for x
    x = 2,294,303,319.19/54,421.96
  6. Step 6: Final answer
    x = 42,157.68

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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.