Home / 55,843.36-77,062.86-30,692.32

Finding the Fourth Proportional to 55,843.36, 77,062.86 and 30,692.32

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Solution

The fourth proportional to 55,843.36, 77,062.86 and 30,692.32 is: 42,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.36 : 77,062.86 = 30,692.32 : x
  2. Step 2: Convert to fraction form
    55,843.36/77,062.86 = 30,692.32/x
  3. Step 3: Cross multiply
    55,843.36x = 77,062.86 × 30,692.32
  4. Step 4: Simplify right side
    55,843.36x = 2,365,237,959.24
  5. Step 5: Solve for x
    x = 2,365,237,959.24/55,843.36
  6. Step 6: Final answer
    x = 42,354.86

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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.