Home / 56,262.37-77,640.96-30,768.03

Finding the Fourth Proportional to 56,262.37, 77,640.96 and 30,768.03

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Solution

The fourth proportional to 56,262.37, 77,640.96 and 30,768.03 is: 42,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262.37 : 77,640.96 = 30,768.03 : x
  2. Step 2: Convert to fraction form
    56,262.37/77,640.96 = 30,768.03/x
  3. Step 3: Cross multiply
    56,262.37x = 77,640.96 × 30,768.03
  4. Step 4: Simplify right side
    56,262.37x = 2,388,859,386.51
  5. Step 5: Solve for x
    x = 2,388,859,386.51/56,262.37
  6. Step 6: Final answer
    x = 42,459.27

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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.