Home / 40,897.60-61,346.40-13,195.60

Finding the Fourth Proportional to 40,897.60, 61,346.40 and 13,195.60

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Solution

The fourth proportional to 40,897.60, 61,346.40 and 13,195.60 is: 19,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.60 : 61,346.40 = 13,195.60 : x
  2. Step 2: Convert to fraction form
    40,897.60/61,346.40 = 13,195.60/x
  3. Step 3: Cross multiply
    40,897.60x = 61,346.40 × 13,195.60
  4. Step 4: Simplify right side
    40,897.60x = 809,502,555.84
  5. Step 5: Solve for x
    x = 809,502,555.84/40,897.60
  6. Step 6: Final answer
    x = 19,793.40

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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.