Home / 30,559.36-42,196.98-19,247.08

Finding the Fourth Proportional to 30,559.36, 42,196.98 and 19,247.08

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Solution

The fourth proportional to 30,559.36, 42,196.98 and 19,247.08 is: 26,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.36 : 42,196.98 = 19,247.08 : x
  2. Step 2: Convert to fraction form
    30,559.36/42,196.98 = 19,247.08/x
  3. Step 3: Cross multiply
    30,559.36x = 42,196.98 × 19,247.08
  4. Step 4: Simplify right side
    30,559.36x = 812,168,649.82
  5. Step 5: Solve for x
    x = 812,168,649.82/30,559.36
  6. Step 6: Final answer
    x = 26,576.76

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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.