Home / 45,152.95-67,732.67-15,570.36

Finding the Fourth Proportional to 45,152.95, 67,732.67 and 15,570.36

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Solution

The fourth proportional to 45,152.95, 67,732.67 and 15,570.36 is: 23,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,152.95 : 67,732.67 = 15,570.36 : x
  2. Step 2: Convert to fraction form
    45,152.95/67,732.67 = 15,570.36/x
  3. Step 3: Cross multiply
    45,152.95x = 67,732.67 × 15,570.36
  4. Step 4: Simplify right side
    45,152.95x = 1,054,621,639.15
  5. Step 5: Solve for x
    x = 1,054,621,639.15/45,152.95
  6. Step 6: Final answer
    x = 23,356.65

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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.