Home / 42,651.36-64,005.60-14,949.36

Finding the Fourth Proportional to 42,651.36, 64,005.60 and 14,949.36

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Solution

The fourth proportional to 42,651.36, 64,005.60 and 14,949.36 is: 22,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.36 : 64,005.60 = 14,949.36 : x
  2. Step 2: Convert to fraction form
    42,651.36/64,005.60 = 14,949.36/x
  3. Step 3: Cross multiply
    42,651.36x = 64,005.60 × 14,949.36
  4. Step 4: Simplify right side
    42,651.36x = 956,842,756.42
  5. Step 5: Solve for x
    x = 956,842,756.42/42,651.36
  6. Step 6: Final answer
    x = 22,434.05

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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.