Home / 43,084.98-64,627.47-19,695

Finding the Fourth Proportional to 43,084.98, 64,627.47 and 19,695

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Solution

The fourth proportional to 43,084.98, 64,627.47 and 19,695 is: 29,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,084.98 : 64,627.47 = 19,695 : x
  2. Step 2: Convert to fraction form
    43,084.98/64,627.47 = 19,695/x
  3. Step 3: Cross multiply
    43,084.98x = 64,627.47 × 19,695
  4. Step 4: Simplify right side
    43,084.98x = 1,272,838,021.65
  5. Step 5: Solve for x
    x = 1,272,838,021.65/43,084.98
  6. Step 6: Final answer
    x = 29,542.50

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Double scale
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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.