Home / 55,801.41-77,003.73-30,307.20

Finding the Fourth Proportional to 55,801.41, 77,003.73 and 30,307.20

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Solution

The fourth proportional to 55,801.41, 77,003.73 and 30,307.20 is: 41,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.41 : 77,003.73 = 30,307.20 : x
  2. Step 2: Convert to fraction form
    55,801.41/77,003.73 = 30,307.20/x
  3. Step 3: Cross multiply
    55,801.41x = 77,003.73 × 30,307.20
  4. Step 4: Simplify right side
    55,801.41x = 2,333,767,157.09
  5. Step 5: Solve for x
    x = 2,333,767,157.09/55,801.41
  6. Step 6: Final answer
    x = 41,822.73

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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.