Home / 43,271.46-64,915.20-13,696.74

Finding the Fourth Proportional to 43,271.46, 64,915.20 and 13,696.74

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Solution

The fourth proportional to 43,271.46, 64,915.20 and 13,696.74 is: 20,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.46 : 64,915.20 = 13,696.74 : x
  2. Step 2: Convert to fraction form
    43,271.46/64,915.20 = 13,696.74/x
  3. Step 3: Cross multiply
    43,271.46x = 64,915.20 × 13,696.74
  4. Step 4: Simplify right side
    43,271.46x = 889,126,616.45
  5. Step 5: Solve for x
    x = 889,126,616.45/43,271.46
  6. Step 6: Final answer
    x = 20,547.65

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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.