Home / 35,511.68-49,012.08-21,365.84

Finding the Fourth Proportional to 35,511.68, 49,012.08 and 21,365.84

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Solution

The fourth proportional to 35,511.68, 49,012.08 and 21,365.84 is: 29,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.68 : 49,012.08 = 21,365.84 : x
  2. Step 2: Convert to fraction form
    35,511.68/49,012.08 = 21,365.84/x
  3. Step 3: Cross multiply
    35,511.68x = 49,012.08 × 21,365.84
  4. Step 4: Simplify right side
    35,511.68x = 1,047,184,259.35
  5. Step 5: Solve for x
    x = 1,047,184,259.35/35,511.68
  6. Step 6: Final answer
    x = 29,488.45

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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.