Home / 39,236.02-54,145.06-21,331.48

Finding the Fourth Proportional to 39,236.02, 54,145.06 and 21,331.48

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Solution

The fourth proportional to 39,236.02, 54,145.06 and 21,331.48 is: 29,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,236.02 : 54,145.06 = 21,331.48 : x
  2. Step 2: Convert to fraction form
    39,236.02/54,145.06 = 21,331.48/x
  3. Step 3: Cross multiply
    39,236.02x = 54,145.06 × 21,331.48
  4. Step 4: Simplify right side
    39,236.02x = 1,154,994,264.49
  5. Step 5: Solve for x
    x = 1,154,994,264.49/39,236.02
  6. Step 6: Final answer
    x = 29,437.09

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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.