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Finding the Fourth Proportional to 45,259, 67,888.62 and 14,094.28

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Solution

The fourth proportional to 45,259, 67,888.62 and 14,094.28 is: 21,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259 : 67,888.62 = 14,094.28 : x
  2. Step 2: Convert to fraction form
    45,259/67,888.62 = 14,094.28/x
  3. Step 3: Cross multiply
    45,259x = 67,888.62 × 14,094.28
  4. Step 4: Simplify right side
    45,259x = 956,841,219.09
  5. Step 5: Solve for x
    x = 956,841,219.09/45,259
  6. Step 6: Final answer
    x = 21,141.46

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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.