Home / 69,421.07-104,130.59-16,830.20

Finding the Fourth Proportional to 69,421.07, 104,130.59 and 16,830.20

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Solution

The fourth proportional to 69,421.07, 104,130.59 and 16,830.20 is: 25,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,421.07 : 104,130.59 = 16,830.20 : x
  2. Step 2: Convert to fraction form
    69,421.07/104,130.59 = 16,830.20/x
  3. Step 3: Cross multiply
    69,421.07x = 104,130.59 × 16,830.20
  4. Step 4: Simplify right side
    69,421.07x = 1,752,538,051.01
  5. Step 5: Solve for x
    x = 1,752,538,051.01/69,421.07
  6. Step 6: Final answer
    x = 25,245.05

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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.