Home / 53,208.48-73,407.02-30,539.28

Finding the Fourth Proportional to 53,208.48, 73,407.02 and 30,539.28

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Solution

The fourth proportional to 53,208.48, 73,407.02 and 30,539.28 is: 42,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.48 : 73,407.02 = 30,539.28 : x
  2. Step 2: Convert to fraction form
    53,208.48/73,407.02 = 30,539.28/x
  3. Step 3: Cross multiply
    53,208.48x = 73,407.02 × 30,539.28
  4. Step 4: Simplify right side
    53,208.48x = 2,241,797,537.75
  5. Step 5: Solve for x
    x = 2,241,797,537.75/53,208.48
  6. Step 6: Final answer
    x = 42,132.34

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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.