Home / 30,237.03-45,280.13-19,110.15

Finding the Fourth Proportional to 30,237.03, 45,280.13 and 19,110.15

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Solution

The fourth proportional to 30,237.03, 45,280.13 and 19,110.15 is: 28,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.03 : 45,280.13 = 19,110.15 : x
  2. Step 2: Convert to fraction form
    30,237.03/45,280.13 = 19,110.15/x
  3. Step 3: Cross multiply
    30,237.03x = 45,280.13 × 19,110.15
  4. Step 4: Simplify right side
    30,237.03x = 865,309,980.77
  5. Step 5: Solve for x
    x = 865,309,980.77/30,237.03
  6. Step 6: Final answer
    x = 28,617.56

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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.