Home / 50,784.03-70,075.40-28,428.03

Finding the Fourth Proportional to 50,784.03, 70,075.40 and 28,428.03

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Solution

The fourth proportional to 50,784.03, 70,075.40 and 28,428.03 is: 39,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.03 : 70,075.40 = 28,428.03 : x
  2. Step 2: Convert to fraction form
    50,784.03/70,075.40 = 28,428.03/x
  3. Step 3: Cross multiply
    50,784.03x = 70,075.40 × 28,428.03
  4. Step 4: Simplify right side
    50,784.03x = 1,992,105,431.32
  5. Step 5: Solve for x
    x = 1,992,105,431.32/50,784.03
  6. Step 6: Final answer
    x = 39,227.01

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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.