Home / 45,458.76-68,192.01-13,875.92

Finding the Fourth Proportional to 45,458.76, 68,192.01 and 13,875.92

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Solution

The fourth proportional to 45,458.76, 68,192.01 and 13,875.92 is: 20,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.76 : 68,192.01 = 13,875.92 : x
  2. Step 2: Convert to fraction form
    45,458.76/68,192.01 = 13,875.92/x
  3. Step 3: Cross multiply
    45,458.76x = 68,192.01 × 13,875.92
  4. Step 4: Simplify right side
    45,458.76x = 946,226,534.44
  5. Step 5: Solve for x
    x = 946,226,534.44/45,458.76
  6. Step 6: Final answer
    x = 20,815.05

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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.