Home / 38,465.67-53,080.47-21,471.01

Finding the Fourth Proportional to 38,465.67, 53,080.47 and 21,471.01

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Solution

The fourth proportional to 38,465.67, 53,080.47 and 21,471.01 is: 29,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.67 : 53,080.47 = 21,471.01 : x
  2. Step 2: Convert to fraction form
    38,465.67/53,080.47 = 21,471.01/x
  3. Step 3: Cross multiply
    38,465.67x = 53,080.47 × 21,471.01
  4. Step 4: Simplify right side
    38,465.67x = 1,139,691,288.01
  5. Step 5: Solve for x
    x = 1,139,691,288.01/38,465.67
  6. Step 6: Final answer
    x = 29,628.79

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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.