Home / 45,264.15-67,899.47-18,965.07

Finding the Fourth Proportional to 45,264.15, 67,899.47 and 18,965.07

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Solution

The fourth proportional to 45,264.15, 67,899.47 and 18,965.07 is: 28,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.15 : 67,899.47 = 18,965.07 : x
  2. Step 2: Convert to fraction form
    45,264.15/67,899.47 = 18,965.07/x
  3. Step 3: Cross multiply
    45,264.15x = 67,899.47 × 18,965.07
  4. Step 4: Simplify right side
    45,264.15x = 1,287,718,106.69
  5. Step 5: Solve for x
    x = 1,287,718,106.69/45,264.15
  6. Step 6: Final answer
    x = 28,448.96

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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.