Home / 43,690.72-65,555.76-23,706.40

Finding the Fourth Proportional to 43,690.72, 65,555.76 and 23,706.40

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Solution

The fourth proportional to 43,690.72, 65,555.76 and 23,706.40 is: 35,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.72 : 65,555.76 = 23,706.40 : x
  2. Step 2: Convert to fraction form
    43,690.72/65,555.76 = 23,706.40/x
  3. Step 3: Cross multiply
    43,690.72x = 65,555.76 × 23,706.40
  4. Step 4: Simplify right side
    43,690.72x = 1,554,091,068.86
  5. Step 5: Solve for x
    x = 1,554,091,068.86/43,690.72
  6. Step 6: Final answer
    x = 35,570.28

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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.