Home / 40,828.80-61,245.12-14,533.76

Finding the Fourth Proportional to 40,828.80, 61,245.12 and 14,533.76

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Solution

The fourth proportional to 40,828.80, 61,245.12 and 14,533.76 is: 21,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.80 : 61,245.12 = 14,533.76 : x
  2. Step 2: Convert to fraction form
    40,828.80/61,245.12 = 14,533.76/x
  3. Step 3: Cross multiply
    40,828.80x = 61,245.12 × 14,533.76
  4. Step 4: Simplify right side
    40,828.80x = 890,121,875.25
  5. Step 5: Solve for x
    x = 890,121,875.25/40,828.80
  6. Step 6: Final answer
    x = 21,801.32

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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.