Home / 20,055.60-30,075.12-7,573.50

Finding the Fourth Proportional to 20,055.60, 30,075.12 and 7,573.50

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Solution

The fourth proportional to 20,055.60, 30,075.12 and 7,573.50 is: 11,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.60 : 30,075.12 = 7,573.50 : x
  2. Step 2: Convert to fraction form
    20,055.60/30,075.12 = 7,573.50/x
  3. Step 3: Cross multiply
    20,055.60x = 30,075.12 × 7,573.50
  4. Step 4: Simplify right side
    20,055.60x = 227,773,921.32
  5. Step 5: Solve for x
    x = 227,773,921.32/20,055.60
  6. Step 6: Final answer
    x = 11,357.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.