Home / 19,472.72-29,209.08-4,681.64

Finding the Fourth Proportional to 19,472.72, 29,209.08 and 4,681.64

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Solution

The fourth proportional to 19,472.72, 29,209.08 and 4,681.64 is: 7,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.72 : 29,209.08 = 4,681.64 : x
  2. Step 2: Convert to fraction form
    19,472.72/29,209.08 = 4,681.64/x
  3. Step 3: Cross multiply
    19,472.72x = 29,209.08 × 4,681.64
  4. Step 4: Simplify right side
    19,472.72x = 136,746,233.69
  5. Step 5: Solve for x
    x = 136,746,233.69/19,472.72
  6. Step 6: Final answer
    x = 7,022.45

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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.