Home / 45,276.58-67,898.07-15,686.50

Finding the Fourth Proportional to 45,276.58, 67,898.07 and 15,686.50

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Solution

The fourth proportional to 45,276.58, 67,898.07 and 15,686.50 is: 23,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.58 : 67,898.07 = 15,686.50 : x
  2. Step 2: Convert to fraction form
    45,276.58/67,898.07 = 15,686.50/x
  3. Step 3: Cross multiply
    45,276.58x = 67,898.07 × 15,686.50
  4. Step 4: Simplify right side
    45,276.58x = 1,065,083,075.06
  5. Step 5: Solve for x
    x = 1,065,083,075.06/45,276.58
  6. Step 6: Final answer
    x = 23,523.93

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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.