Home / 30,139.65-41,592.30-16,710.60

Finding the Fourth Proportional to 30,139.65, 41,592.30 and 16,710.60

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Solution

The fourth proportional to 30,139.65, 41,592.30 and 16,710.60 is: 23,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.65 : 41,592.30 = 16,710.60 : x
  2. Step 2: Convert to fraction form
    30,139.65/41,592.30 = 16,710.60/x
  3. Step 3: Cross multiply
    30,139.65x = 41,592.30 × 16,710.60
  4. Step 4: Simplify right side
    30,139.65x = 695,032,288.38
  5. Step 5: Solve for x
    x = 695,032,288.38/30,139.65
  6. Step 6: Final answer
    x = 23,060.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.