Home / 19,510.46-29,265.58-4,719.45

Finding the Fourth Proportional to 19,510.46, 29,265.58 and 4,719.45

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Solution

The fourth proportional to 19,510.46, 29,265.58 and 4,719.45 is: 7,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.46 : 29,265.58 = 4,719.45 : x
  2. Step 2: Convert to fraction form
    19,510.46/29,265.58 = 4,719.45/x
  3. Step 3: Cross multiply
    19,510.46x = 29,265.58 × 4,719.45
  4. Step 4: Simplify right side
    19,510.46x = 138,117,441.53
  5. Step 5: Solve for x
    x = 138,117,441.53/19,510.46
  6. Step 6: Final answer
    x = 7,079.15

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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.