Home / 42,956.06-64,418.64-14,868.50

Finding the Fourth Proportional to 42,956.06, 64,418.64 and 14,868.50

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Solution

The fourth proportional to 42,956.06, 64,418.64 and 14,868.50 is: 22,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,956.06 : 64,418.64 = 14,868.50 : x
  2. Step 2: Convert to fraction form
    42,956.06/64,418.64 = 14,868.50/x
  3. Step 3: Cross multiply
    42,956.06x = 64,418.64 × 14,868.50
  4. Step 4: Simplify right side
    42,956.06x = 957,808,548.84
  5. Step 5: Solve for x
    x = 957,808,548.84/42,956.06
  6. Step 6: Final answer
    x = 22,297.40

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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.