Home / 30,038.27-45,050.40-11,320.17

Finding the Fourth Proportional to 30,038.27, 45,050.40 and 11,320.17

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Solution

The fourth proportional to 30,038.27, 45,050.40 and 11,320.17 is: 16,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.27 : 45,050.40 = 11,320.17 : x
  2. Step 2: Convert to fraction form
    30,038.27/45,050.40 = 11,320.17/x
  3. Step 3: Cross multiply
    30,038.27x = 45,050.40 × 11,320.17
  4. Step 4: Simplify right side
    30,038.27x = 509,978,186.57
  5. Step 5: Solve for x
    x = 509,978,186.57/30,038.27
  6. Step 6: Final answer
    x = 16,977.62

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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.