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Finding the Fourth Proportional to 55,852, 77,075.88 and 30,701.68

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Solution

The fourth proportional to 55,852, 77,075.88 and 30,701.68 is: 42,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852 : 77,075.88 = 30,701.68 : x
  2. Step 2: Convert to fraction form
    55,852/77,075.88 = 30,701.68/x
  3. Step 3: Cross multiply
    55,852x = 77,075.88 × 30,701.68
  4. Step 4: Simplify right side
    55,852x = 2,366,359,003.48
  5. Step 5: Solve for x
    x = 2,366,359,003.48/55,852
  6. Step 6: Final answer
    x = 42,368.38

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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.