Home / 38,265.84-57,430.32-19,559.64

Finding the Fourth Proportional to 38,265.84, 57,430.32 and 19,559.64

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Solution

The fourth proportional to 38,265.84, 57,430.32 and 19,559.64 is: 29,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.84 : 57,430.32 = 19,559.64 : x
  2. Step 2: Convert to fraction form
    38,265.84/57,430.32 = 19,559.64/x
  3. Step 3: Cross multiply
    38,265.84x = 57,430.32 × 19,559.64
  4. Step 4: Simplify right side
    38,265.84x = 1,123,316,384.28
  5. Step 5: Solve for x
    x = 1,123,316,384.28/38,265.84
  6. Step 6: Final answer
    x = 29,355.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.