Home / 38,074.31-52,544.27-21,307.31

Finding the Fourth Proportional to 38,074.31, 52,544.27 and 21,307.31

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Solution

The fourth proportional to 38,074.31, 52,544.27 and 21,307.31 is: 29,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.31 : 52,544.27 = 21,307.31 : x
  2. Step 2: Convert to fraction form
    38,074.31/52,544.27 = 21,307.31/x
  3. Step 3: Cross multiply
    38,074.31x = 52,544.27 × 21,307.31
  4. Step 4: Simplify right side
    38,074.31x = 1,119,576,943.08
  5. Step 5: Solve for x
    x = 1,119,576,943.08/38,074.31
  6. Step 6: Final answer
    x = 29,405.05

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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.