Home / 56,281.32-84,436.20-16,838.28

Finding the Fourth Proportional to 56,281.32, 84,436.20 and 16,838.28

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Solution

The fourth proportional to 56,281.32, 84,436.20 and 16,838.28 is: 25,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.32 : 84,436.20 = 16,838.28 : x
  2. Step 2: Convert to fraction form
    56,281.32/84,436.20 = 16,838.28/x
  3. Step 3: Cross multiply
    56,281.32x = 84,436.20 × 16,838.28
  4. Step 4: Simplify right side
    56,281.32x = 1,421,760,377.74
  5. Step 5: Solve for x
    x = 1,421,760,377.74/56,281.32
  6. Step 6: Final answer
    x = 25,261.67

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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.