Home / 40,877.76-61,283.50-12,783.36

Finding the Fourth Proportional to 40,877.76, 61,283.50 and 12,783.36

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Solution

The fourth proportional to 40,877.76, 61,283.50 and 12,783.36 is: 19,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.76 : 61,283.50 = 12,783.36 : x
  2. Step 2: Convert to fraction form
    40,877.76/61,283.50 = 12,783.36/x
  3. Step 3: Cross multiply
    40,877.76x = 61,283.50 × 12,783.36
  4. Step 4: Simplify right side
    40,877.76x = 783,409,042.56
  5. Step 5: Solve for x
    x = 783,409,042.56/40,877.76
  6. Step 6: Final answer
    x = 19,164.68

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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.