Home / 42,869.99-64,283.35-25,106.31

Finding the Fourth Proportional to 42,869.99, 64,283.35 and 25,106.31

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Solution

The fourth proportional to 42,869.99, 64,283.35 and 25,106.31 is: 37,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.99 : 64,283.35 = 25,106.31 : x
  2. Step 2: Convert to fraction form
    42,869.99/64,283.35 = 25,106.31/x
  3. Step 3: Cross multiply
    42,869.99x = 64,283.35 × 25,106.31
  4. Step 4: Simplify right side
    42,869.99x = 1,613,917,807.43
  5. Step 5: Solve for x
    x = 1,613,917,807.43/42,869.99
  6. Step 6: Final answer
    x = 37,646.79

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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.