Home / 38,035.64-52,488.18-21,040.58

Finding the Fourth Proportional to 38,035.64, 52,488.18 and 21,040.58

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Solution

The fourth proportional to 38,035.64, 52,488.18 and 21,040.58 is: 29,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,035.64 : 52,488.18 = 21,040.58 : x
  2. Step 2: Convert to fraction form
    38,035.64/52,488.18 = 21,040.58/x
  3. Step 3: Cross multiply
    38,035.64x = 52,488.18 × 21,040.58
  4. Step 4: Simplify right side
    38,035.64x = 1,104,381,750.34
  5. Step 5: Solve for x
    x = 1,104,381,750.34/38,035.64
  6. Step 6: Final answer
    x = 29,035.45

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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.