Home / 53,189.90-73,403.70-30,533.03

Finding the Fourth Proportional to 53,189.90, 73,403.70 and 30,533.03

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Solution

The fourth proportional to 53,189.90, 73,403.70 and 30,533.03 is: 42,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.90 : 73,403.70 = 30,533.03 : x
  2. Step 2: Convert to fraction form
    53,189.90/73,403.70 = 30,533.03/x
  3. Step 3: Cross multiply
    53,189.90x = 73,403.70 × 30,533.03
  4. Step 4: Simplify right side
    53,189.90x = 2,241,237,374.21
  5. Step 5: Solve for x
    x = 2,241,237,374.21/53,189.90
  6. Step 6: Final answer
    x = 42,136.52

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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.