Home / 45,059.12-67,581.58-28,368.05

Finding the Fourth Proportional to 45,059.12, 67,581.58 and 28,368.05

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Solution

The fourth proportional to 45,059.12, 67,581.58 and 28,368.05 is: 42,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,059.12 : 67,581.58 = 28,368.05 : x
  2. Step 2: Convert to fraction form
    45,059.12/67,581.58 = 28,368.05/x
  3. Step 3: Cross multiply
    45,059.12x = 67,581.58 × 28,368.05
  4. Step 4: Simplify right side
    45,059.12x = 1,917,157,498.68
  5. Step 5: Solve for x
    x = 1,917,157,498.68/45,059.12
  6. Step 6: Final answer
    x = 42,547.61

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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.