Home / 40,539,576.54-55,943,924.34-21,954,565.74

Finding the Fourth Proportional to 40,539,576.54, 55,943,924.34 and 21,954,565.74

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Solution

The fourth proportional to 40,539,576.54, 55,943,924.34 and 21,954,565.74 is: 30,296,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,576.54 : 55,943,924.34 = 21,954,565.74 : x
  2. Step 2: Convert to fraction form
    40,539,576.54/55,943,924.34 = 21,954,565.74/x
  3. Step 3: Cross multiply
    40,539,576.54x = 55,943,924.34 × 21,954,565.74
  4. Step 4: Simplify right side
    40,539,576.54x = 1,228,224,564,676,116
  5. Step 5: Solve for x
    x = 1,228,224,564,676,116/40,539,576.54
  6. Step 6: Final answer
    x = 30,296,926.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.