Home / 30,006.10-45,009.15-16,009.30

Finding the Fourth Proportional to 30,006.10, 45,009.15 and 16,009.30

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Solution

The fourth proportional to 30,006.10, 45,009.15 and 16,009.30 is: 24,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.10 : 45,009.15 = 16,009.30 : x
  2. Step 2: Convert to fraction form
    30,006.10/45,009.15 = 16,009.30/x
  3. Step 3: Cross multiply
    30,006.10x = 45,009.15 × 16,009.30
  4. Step 4: Simplify right side
    30,006.10x = 720,564,985.10
  5. Step 5: Solve for x
    x = 720,564,985.10/30,006.10
  6. Step 6: Final answer
    x = 24,013.95

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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.