Home / 50,431.04-75,603.36-19,288.16

Finding the Fourth Proportional to 50,431.04, 75,603.36 and 19,288.16

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Solution

The fourth proportional to 50,431.04, 75,603.36 and 19,288.16 is: 28,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.04 : 75,603.36 = 19,288.16 : x
  2. Step 2: Convert to fraction form
    50,431.04/75,603.36 = 19,288.16/x
  3. Step 3: Cross multiply
    50,431.04x = 75,603.36 × 19,288.16
  4. Step 4: Simplify right side
    50,431.04x = 1,458,249,704.22
  5. Step 5: Solve for x
    x = 1,458,249,704.22/50,431.04
  6. Step 6: Final answer
    x = 28,915.72

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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.