Home / 40,913.80-61,370.70-14,619.40

Finding the Fourth Proportional to 40,913.80, 61,370.70 and 14,619.40

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Solution

The fourth proportional to 40,913.80, 61,370.70 and 14,619.40 is: 21,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.80 : 61,370.70 = 14,619.40 : x
  2. Step 2: Convert to fraction form
    40,913.80/61,370.70 = 14,619.40/x
  3. Step 3: Cross multiply
    40,913.80x = 61,370.70 × 14,619.40
  4. Step 4: Simplify right side
    40,913.80x = 897,202,811.58
  5. Step 5: Solve for x
    x = 897,202,811.58/40,913.80
  6. Step 6: Final answer
    x = 21,929.10

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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.