Home / 45,510.21-68,265.33-14,347.89

Finding the Fourth Proportional to 45,510.21, 68,265.33 and 14,347.89

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Solution

The fourth proportional to 45,510.21, 68,265.33 and 14,347.89 is: 21,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510.21 : 68,265.33 = 14,347.89 : x
  2. Step 2: Convert to fraction form
    45,510.21/68,265.33 = 14,347.89/x
  3. Step 3: Cross multiply
    45,510.21x = 68,265.33 × 14,347.89
  4. Step 4: Simplify right side
    45,510.21x = 979,463,445.65
  5. Step 5: Solve for x
    x = 979,463,445.65/45,510.21
  6. Step 6: Final answer
    x = 21,521.84

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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.