Home / 55,957.06-77,218.41-30,804.94

Finding the Fourth Proportional to 55,957.06, 77,218.41 and 30,804.94

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Solution

The fourth proportional to 55,957.06, 77,218.41 and 30,804.94 is: 42,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.06 : 77,218.41 = 30,804.94 : x
  2. Step 2: Convert to fraction form
    55,957.06/77,218.41 = 30,804.94/x
  3. Step 3: Cross multiply
    55,957.06x = 77,218.41 × 30,804.94
  4. Step 4: Simplify right side
    55,957.06x = 2,378,708,486.95
  5. Step 5: Solve for x
    x = 2,378,708,486.95/55,957.06
  6. Step 6: Final answer
    x = 42,509.53

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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.