Home / 38,474.12-53,088.30-21,477.48

Finding the Fourth Proportional to 38,474.12, 53,088.30 and 21,477.48

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Solution

The fourth proportional to 38,474.12, 53,088.30 and 21,477.48 is: 29,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.12 : 53,088.30 = 21,477.48 : x
  2. Step 2: Convert to fraction form
    38,474.12/53,088.30 = 21,477.48/x
  3. Step 3: Cross multiply
    38,474.12x = 53,088.30 × 21,477.48
  4. Step 4: Simplify right side
    38,474.12x = 1,140,202,901.48
  5. Step 5: Solve for x
    x = 1,140,202,901.48/38,474.12
  6. Step 6: Final answer
    x = 29,635.58

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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.