Home / 30,633.28-42,268.84-18,056.32

Finding the Fourth Proportional to 30,633.28, 42,268.84 and 18,056.32

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Solution

The fourth proportional to 30,633.28, 42,268.84 and 18,056.32 is: 24,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.28 : 42,268.84 = 18,056.32 : x
  2. Step 2: Convert to fraction form
    30,633.28/42,268.84 = 18,056.32/x
  3. Step 3: Cross multiply
    30,633.28x = 42,268.84 × 18,056.32
  4. Step 4: Simplify right side
    30,633.28x = 763,219,701.07
  5. Step 5: Solve for x
    x = 763,219,701.07/30,633.28
  6. Step 6: Final answer
    x = 24,914.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.