Home / 42,723.47-64,094.28-14,635.99

Finding the Fourth Proportional to 42,723.47, 64,094.28 and 14,635.99

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Solution

The fourth proportional to 42,723.47, 64,094.28 and 14,635.99 is: 21,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.47 : 64,094.28 = 14,635.99 : x
  2. Step 2: Convert to fraction form
    42,723.47/64,094.28 = 14,635.99/x
  3. Step 3: Cross multiply
    42,723.47x = 64,094.28 × 14,635.99
  4. Step 4: Simplify right side
    42,723.47x = 938,082,920.67
  5. Step 5: Solve for x
    x = 938,082,920.67/42,723.47
  6. Step 6: Final answer
    x = 21,957.09

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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.