Home / 53,139.48-73,329.56-29,261.64

Finding the Fourth Proportional to 53,139.48, 73,329.56 and 29,261.64

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Solution

The fourth proportional to 53,139.48, 73,329.56 and 29,261.64 is: 40,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.48 : 73,329.56 = 29,261.64 : x
  2. Step 2: Convert to fraction form
    53,139.48/73,329.56 = 29,261.64/x
  3. Step 3: Cross multiply
    53,139.48x = 73,329.56 × 29,261.64
  4. Step 4: Simplify right side
    53,139.48x = 2,145,743,186.08
  5. Step 5: Solve for x
    x = 2,145,743,186.08/53,139.48
  6. Step 6: Final answer
    x = 40,379.45

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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.