Home / 29,434.95-40,619.38-16,689.35

Finding the Fourth Proportional to 29,434.95, 40,619.38 and 16,689.35

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Solution

The fourth proportional to 29,434.95, 40,619.38 and 16,689.35 is: 23,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.95 : 40,619.38 = 16,689.35 : x
  2. Step 2: Convert to fraction form
    29,434.95/40,619.38 = 16,689.35/x
  3. Step 3: Cross multiply
    29,434.95x = 40,619.38 × 16,689.35
  4. Step 4: Simplify right side
    29,434.95x = 677,911,049.60
  5. Step 5: Solve for x
    x = 677,911,049.60/29,434.95
  6. Step 6: Final answer
    x = 23,030.82

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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.