Home / 35,075.28-48,381.36-21,456.96

Finding the Fourth Proportional to 35,075.28, 48,381.36 and 21,456.96

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Solution

The fourth proportional to 35,075.28, 48,381.36 and 21,456.96 is: 29,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,075.28 : 48,381.36 = 21,456.96 : x
  2. Step 2: Convert to fraction form
    35,075.28/48,381.36 = 21,456.96/x
  3. Step 3: Cross multiply
    35,075.28x = 48,381.36 × 21,456.96
  4. Step 4: Simplify right side
    35,075.28x = 1,038,116,906.27
  5. Step 5: Solve for x
    x = 1,038,116,906.27/35,075.28
  6. Step 6: Final answer
    x = 29,596.82

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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.