Home / 30,041.36-45,065.13-11,337.15

Finding the Fourth Proportional to 30,041.36, 45,065.13 and 11,337.15

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Solution

The fourth proportional to 30,041.36, 45,065.13 and 11,337.15 is: 17,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.36 : 45,065.13 = 11,337.15 : x
  2. Step 2: Convert to fraction form
    30,041.36/45,065.13 = 11,337.15/x
  3. Step 3: Cross multiply
    30,041.36x = 45,065.13 × 11,337.15
  4. Step 4: Simplify right side
    30,041.36x = 510,910,107.23
  5. Step 5: Solve for x
    x = 510,910,107.23/30,041.36
  6. Step 6: Final answer
    x = 17,006.89

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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.