Home / 35,283.72-48,693.12-21,136.26

Finding the Fourth Proportional to 35,283.72, 48,693.12 and 21,136.26

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Solution

The fourth proportional to 35,283.72, 48,693.12 and 21,136.26 is: 29,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,283.72 : 48,693.12 = 21,136.26 : x
  2. Step 2: Convert to fraction form
    35,283.72/48,693.12 = 21,136.26/x
  3. Step 3: Cross multiply
    35,283.72x = 48,693.12 × 21,136.26
  4. Step 4: Simplify right side
    35,283.72x = 1,029,190,444.53
  5. Step 5: Solve for x
    x = 1,029,190,444.53/35,283.72
  6. Step 6: Final answer
    x = 29,168.99

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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.