Home / 30,225.37-45,346.26-10,505.02

Finding the Fourth Proportional to 30,225.37, 45,346.26 and 10,505.02

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Solution

The fourth proportional to 30,225.37, 45,346.26 and 10,505.02 is: 15,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.37 : 45,346.26 = 10,505.02 : x
  2. Step 2: Convert to fraction form
    30,225.37/45,346.26 = 10,505.02/x
  3. Step 3: Cross multiply
    30,225.37x = 45,346.26 × 10,505.02
  4. Step 4: Simplify right side
    30,225.37x = 476,363,368.23
  5. Step 5: Solve for x
    x = 476,363,368.23/30,225.37
  6. Step 6: Final answer
    x = 15,760.38

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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.