Home / 45,675.84-68,521.62-15,688.66

Finding the Fourth Proportional to 45,675.84, 68,521.62 and 15,688.66

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Solution

The fourth proportional to 45,675.84, 68,521.62 and 15,688.66 is: 23,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.84 : 68,521.62 = 15,688.66 : x
  2. Step 2: Convert to fraction form
    45,675.84/68,521.62 = 15,688.66/x
  3. Step 3: Cross multiply
    45,675.84x = 68,521.62 × 15,688.66
  4. Step 4: Simplify right side
    45,675.84x = 1,075,012,056.22
  5. Step 5: Solve for x
    x = 1,075,012,056.22/45,675.84
  6. Step 6: Final answer
    x = 23,535.68

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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.