Home / 58,426.24-87,676.56-20,985.52

Finding the Fourth Proportional to 58,426.24, 87,676.56 and 20,985.52

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Solution

The fourth proportional to 58,426.24, 87,676.56 and 20,985.52 is: 31,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,426.24 : 87,676.56 = 20,985.52 : x
  2. Step 2: Convert to fraction form
    58,426.24/87,676.56 = 20,985.52/x
  3. Step 3: Cross multiply
    58,426.24x = 87,676.56 × 20,985.52
  4. Step 4: Simplify right side
    58,426.24x = 1,839,938,203.41
  5. Step 5: Solve for x
    x = 1,839,938,203.41/58,426.24
  6. Step 6: Final answer
    x = 31,491.64

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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.