Home / 42,838.62-59,138.74-26,931.84

Finding the Fourth Proportional to 42,838.62, 59,138.74 and 26,931.84

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Solution

The fourth proportional to 42,838.62, 59,138.74 and 26,931.84 is: 37,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,838.62 : 59,138.74 = 26,931.84 : x
  2. Step 2: Convert to fraction form
    42,838.62/59,138.74 = 26,931.84/x
  3. Step 3: Cross multiply
    42,838.62x = 59,138.74 × 26,931.84
  4. Step 4: Simplify right side
    42,838.62x = 1,592,715,083.48
  5. Step 5: Solve for x
    x = 1,592,715,083.48/42,838.62
  6. Step 6: Final answer
    x = 37,179.42

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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.