Home / 42,973.64-64,459.44-25,316.28

Finding the Fourth Proportional to 42,973.64, 64,459.44 and 25,316.28

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Solution

The fourth proportional to 42,973.64, 64,459.44 and 25,316.28 is: 37,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,973.64 : 64,459.44 = 25,316.28 : x
  2. Step 2: Convert to fraction form
    42,973.64/64,459.44 = 25,316.28/x
  3. Step 3: Cross multiply
    42,973.64x = 64,459.44 × 25,316.28
  4. Step 4: Simplify right side
    42,973.64x = 1,631,873,231.68
  5. Step 5: Solve for x
    x = 1,631,873,231.68/42,973.64
  6. Step 6: Final answer
    x = 37,973.82

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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.