Home / 30,338.60-45,528.39-10,617.32

Finding the Fourth Proportional to 30,338.60, 45,528.39 and 10,617.32

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Solution

The fourth proportional to 30,338.60, 45,528.39 and 10,617.32 is: 15,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.60 : 45,528.39 = 10,617.32 : x
  2. Step 2: Convert to fraction form
    30,338.60/45,528.39 = 10,617.32/x
  3. Step 3: Cross multiply
    30,338.60x = 45,528.39 × 10,617.32
  4. Step 4: Simplify right side
    30,338.60x = 483,389,432.63
  5. Step 5: Solve for x
    x = 483,389,432.63/30,338.60
  6. Step 6: Final answer
    x = 15,933.15

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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.