Home / 29,308.40-40,445.07-16,561.32

Finding the Fourth Proportional to 29,308.40, 40,445.07 and 16,561.32

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Solution

The fourth proportional to 29,308.40, 40,445.07 and 16,561.32 is: 22,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.40 : 40,445.07 = 16,561.32 : x
  2. Step 2: Convert to fraction form
    29,308.40/40,445.07 = 16,561.32/x
  3. Step 3: Cross multiply
    29,308.40x = 40,445.07 × 16,561.32
  4. Step 4: Simplify right side
    29,308.40x = 669,823,532.92
  5. Step 5: Solve for x
    x = 669,823,532.92/29,308.40
  6. Step 6: Final answer
    x = 22,854.32

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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.