Home / 40,555.06-60,838.37-12,477.45

Finding the Fourth Proportional to 40,555.06, 60,838.37 and 12,477.45

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Solution

The fourth proportional to 40,555.06, 60,838.37 and 12,477.45 is: 18,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.06 : 60,838.37 = 12,477.45 : x
  2. Step 2: Convert to fraction form
    40,555.06/60,838.37 = 12,477.45/x
  3. Step 3: Cross multiply
    40,555.06x = 60,838.37 × 12,477.45
  4. Step 4: Simplify right side
    40,555.06x = 759,107,750.95
  5. Step 5: Solve for x
    x = 759,107,750.95/40,555.06
  6. Step 6: Final answer
    x = 18,717.96

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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.