Home / 32,813.84-45,267.35-21,478.34

Finding the Fourth Proportional to 32,813.84, 45,267.35 and 21,478.34

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Solution

The fourth proportional to 32,813.84, 45,267.35 and 21,478.34 is: 29,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.84 : 45,267.35 = 21,478.34 : x
  2. Step 2: Convert to fraction form
    32,813.84/45,267.35 = 21,478.34/x
  3. Step 3: Cross multiply
    32,813.84x = 45,267.35 × 21,478.34
  4. Step 4: Simplify right side
    32,813.84x = 972,267,539.98
  5. Step 5: Solve for x
    x = 972,267,539.98/32,813.84
  6. Step 6: Final answer
    x = 29,629.80

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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.