Home / 39,278.70-58,920.48-19,307.34

Finding the Fourth Proportional to 39,278.70, 58,920.48 and 19,307.34

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Solution

The fourth proportional to 39,278.70, 58,920.48 and 19,307.34 is: 28,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.70 : 58,920.48 = 19,307.34 : x
  2. Step 2: Convert to fraction form
    39,278.70/58,920.48 = 19,307.34/x
  3. Step 3: Cross multiply
    39,278.70x = 58,920.48 × 19,307.34
  4. Step 4: Simplify right side
    39,278.70x = 1,137,597,740.32
  5. Step 5: Solve for x
    x = 1,137,597,740.32/39,278.70
  6. Step 6: Final answer
    x = 28,962.20

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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.