Home / 45,561.60-68,338.56-14,392.32

Finding the Fourth Proportional to 45,561.60, 68,338.56 and 14,392.32

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Solution

The fourth proportional to 45,561.60, 68,338.56 and 14,392.32 is: 21,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.60 : 68,338.56 = 14,392.32 : x
  2. Step 2: Convert to fraction form
    45,561.60/68,338.56 = 14,392.32/x
  3. Step 3: Cross multiply
    45,561.60x = 68,338.56 × 14,392.32
  4. Step 4: Simplify right side
    45,561.60x = 983,550,423.86
  5. Step 5: Solve for x
    x = 983,550,423.86/45,561.60
  6. Step 6: Final answer
    x = 21,587.27

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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.