Home / 45,384.48-68,071.32-12,106.98

Finding the Fourth Proportional to 45,384.48, 68,071.32 and 12,106.98

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Solution

The fourth proportional to 45,384.48, 68,071.32 and 12,106.98 is: 18,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,384.48 : 68,071.32 = 12,106.98 : x
  2. Step 2: Convert to fraction form
    45,384.48/68,071.32 = 12,106.98/x
  3. Step 3: Cross multiply
    45,384.48x = 68,071.32 × 12,106.98
  4. Step 4: Simplify right side
    45,384.48x = 824,138,109.81
  5. Step 5: Solve for x
    x = 824,138,109.81/45,384.48
  6. Step 6: Final answer
    x = 18,159.03

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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.