Home / 38,035.36-52,486.56-21,038.56

Finding the Fourth Proportional to 38,035.36, 52,486.56 and 21,038.56

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Solution

The fourth proportional to 38,035.36, 52,486.56 and 21,038.56 is: 29,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,035.36 : 52,486.56 = 21,038.56 : x
  2. Step 2: Convert to fraction form
    38,035.36/52,486.56 = 21,038.56/x
  3. Step 3: Cross multiply
    38,035.36x = 52,486.56 × 21,038.56
  4. Step 4: Simplify right side
    38,035.36x = 1,104,241,641.75
  5. Step 5: Solve for x
    x = 1,104,241,641.75/38,035.36
  6. Step 6: Final answer
    x = 29,031.98

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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.