Home / 57,482.98-79,325.24-31,988.36

Finding the Fourth Proportional to 57,482.98, 79,325.24 and 31,988.36

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Solution

The fourth proportional to 57,482.98, 79,325.24 and 31,988.36 is: 44,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,482.98 : 79,325.24 = 31,988.36 : x
  2. Step 2: Convert to fraction form
    57,482.98/79,325.24 = 31,988.36/x
  3. Step 3: Cross multiply
    57,482.98x = 79,325.24 × 31,988.36
  4. Step 4: Simplify right side
    57,482.98x = 2,537,484,334.21
  5. Step 5: Solve for x
    x = 2,537,484,334.21/57,482.98
  6. Step 6: Final answer
    x = 44,143.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.