Home / 30,300.89-45,453.41-10,302.24

Finding the Fourth Proportional to 30,300.89, 45,453.41 and 10,302.24

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Solution

The fourth proportional to 30,300.89, 45,453.41 and 10,302.24 is: 15,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.89 : 45,453.41 = 10,302.24 : x
  2. Step 2: Convert to fraction form
    30,300.89/45,453.41 = 10,302.24/x
  3. Step 3: Cross multiply
    30,300.89x = 45,453.41 × 10,302.24
  4. Step 4: Simplify right side
    30,300.89x = 468,271,887.13
  5. Step 5: Solve for x
    x = 468,271,887.13/30,300.89
  6. Step 6: Final answer
    x = 15,454.06

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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.