Home / 51,679.50-71,328.81-31,532.05

Finding the Fourth Proportional to 51,679.50, 71,328.81 and 31,532.05

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Solution

The fourth proportional to 51,679.50, 71,328.81 and 31,532.05 is: 43,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679.50 : 71,328.81 = 31,532.05 : x
  2. Step 2: Convert to fraction form
    51,679.50/71,328.81 = 31,532.05/x
  3. Step 3: Cross multiply
    51,679.50x = 71,328.81 × 31,532.05
  4. Step 4: Simplify right side
    51,679.50x = 2,249,143,603.36
  5. Step 5: Solve for x
    x = 2,249,143,603.36/51,679.50
  6. Step 6: Final answer
    x = 43,521.00

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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.