Home / 38,038.14-52,491.63-21,043.08

Finding the Fourth Proportional to 38,038.14, 52,491.63 and 21,043.08

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Solution

The fourth proportional to 38,038.14, 52,491.63 and 21,043.08 is: 29,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.14 : 52,491.63 = 21,043.08 : x
  2. Step 2: Convert to fraction form
    38,038.14/52,491.63 = 21,043.08/x
  3. Step 3: Cross multiply
    38,038.14x = 52,491.63 × 21,043.08
  4. Step 4: Simplify right side
    38,038.14x = 1,104,585,569.42
  5. Step 5: Solve for x
    x = 1,104,585,569.42/38,038.14
  6. Step 6: Final answer
    x = 29,038.90

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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.