Home / 51,706.16-77,559.64-28,319.84

Finding the Fourth Proportional to 51,706.16, 77,559.64 and 28,319.84

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Solution

The fourth proportional to 51,706.16, 77,559.64 and 28,319.84 is: 42,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.16 : 77,559.64 = 28,319.84 : x
  2. Step 2: Convert to fraction form
    51,706.16/77,559.64 = 28,319.84/x
  3. Step 3: Cross multiply
    51,706.16x = 77,559.64 × 28,319.84
  4. Step 4: Simplify right side
    51,706.16x = 2,196,476,595.26
  5. Step 5: Solve for x
    x = 2,196,476,595.26/51,706.16
  6. Step 6: Final answer
    x = 42,479.98

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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.