Home / 35,136.86-48,488.81-19,221.32

Finding the Fourth Proportional to 35,136.86, 48,488.81 and 19,221.32

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Solution

The fourth proportional to 35,136.86, 48,488.81 and 19,221.32 is: 26,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.86 : 48,488.81 = 19,221.32 : x
  2. Step 2: Convert to fraction form
    35,136.86/48,488.81 = 19,221.32/x
  3. Step 3: Cross multiply
    35,136.86x = 48,488.81 × 19,221.32
  4. Step 4: Simplify right side
    35,136.86x = 932,018,837.32
  5. Step 5: Solve for x
    x = 932,018,837.32/35,136.86
  6. Step 6: Final answer
    x = 26,525.39

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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.