Home / 40,830.94-61,207.53-13,109.50

Finding the Fourth Proportional to 40,830.94, 61,207.53 and 13,109.50

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Solution

The fourth proportional to 40,830.94, 61,207.53 and 13,109.50 is: 19,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.94 : 61,207.53 = 13,109.50 : x
  2. Step 2: Convert to fraction form
    40,830.94/61,207.53 = 13,109.50/x
  3. Step 3: Cross multiply
    40,830.94x = 61,207.53 × 13,109.50
  4. Step 4: Simplify right side
    40,830.94x = 802,400,114.54
  5. Step 5: Solve for x
    x = 802,400,114.54/40,830.94
  6. Step 6: Final answer
    x = 19,651.77

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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.