Home / 42,734.08-64,102.08-14,653.84

Finding the Fourth Proportional to 42,734.08, 64,102.08 and 14,653.84

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Solution

The fourth proportional to 42,734.08, 64,102.08 and 14,653.84 is: 21,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734.08 : 64,102.08 = 14,653.84 : x
  2. Step 2: Convert to fraction form
    42,734.08/64,102.08 = 14,653.84/x
  3. Step 3: Cross multiply
    42,734.08x = 64,102.08 × 14,653.84
  4. Step 4: Simplify right side
    42,734.08x = 939,341,623.99
  5. Step 5: Solve for x
    x = 939,341,623.99/42,734.08
  6. Step 6: Final answer
    x = 21,981.09

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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.