Home / 77,841.10-116,761.73-21,681.32

Finding the Fourth Proportional to 77,841.10, 116,761.73 and 21,681.32

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Solution

The fourth proportional to 77,841.10, 116,761.73 and 21,681.32 is: 32,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841.10 : 116,761.73 = 21,681.32 : x
  2. Step 2: Convert to fraction form
    77,841.10/116,761.73 = 21,681.32/x
  3. Step 3: Cross multiply
    77,841.10x = 116,761.73 × 21,681.32
  4. Step 4: Simplify right side
    77,841.10x = 2,531,548,431.88
  5. Step 5: Solve for x
    x = 2,531,548,431.88/77,841.10
  6. Step 6: Final answer
    x = 32,522.00

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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.