Home / 37,419.95-51,639.12-20,424.05

Finding the Fourth Proportional to 37,419.95, 51,639.12 and 20,424.05

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Solution

The fourth proportional to 37,419.95, 51,639.12 and 20,424.05 is: 28,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.95 : 51,639.12 = 20,424.05 : x
  2. Step 2: Convert to fraction form
    37,419.95/51,639.12 = 20,424.05/x
  3. Step 3: Cross multiply
    37,419.95x = 51,639.12 × 20,424.05
  4. Step 4: Simplify right side
    37,419.95x = 1,054,680,097.93
  5. Step 5: Solve for x
    x = 1,054,680,097.93/37,419.95
  6. Step 6: Final answer
    x = 28,184.97

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1.5x scale

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.