Home / 42,799.78-59,084.40-28,483.44

Finding the Fourth Proportional to 42,799.78, 59,084.40 and 28,483.44

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Solution

The fourth proportional to 42,799.78, 59,084.40 and 28,483.44 is: 39,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.78 : 59,084.40 = 28,483.44 : x
  2. Step 2: Convert to fraction form
    42,799.78/59,084.40 = 28,483.44/x
  3. Step 3: Cross multiply
    42,799.78x = 59,084.40 × 28,483.44
  4. Step 4: Simplify right side
    42,799.78x = 1,682,926,962.34
  5. Step 5: Solve for x
    x = 1,682,926,962.34/42,799.78
  6. Step 6: Final answer
    x = 39,320.93

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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.