Home / 38,455.28-53,068.44-21,460.26

Finding the Fourth Proportional to 38,455.28, 53,068.44 and 21,460.26

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Solution

The fourth proportional to 38,455.28, 53,068.44 and 21,460.26 is: 29,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.28 : 53,068.44 = 21,460.26 : x
  2. Step 2: Convert to fraction form
    38,455.28/53,068.44 = 21,460.26/x
  3. Step 3: Cross multiply
    38,455.28x = 53,068.44 × 21,460.26
  4. Step 4: Simplify right side
    38,455.28x = 1,138,862,520.19
  5. Step 5: Solve for x
    x = 1,138,862,520.19/38,455.28
  6. Step 6: Final answer
    x = 29,615.25

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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.