Home / 51,651.24-71,302.32-39,710.40

Finding the Fourth Proportional to 51,651.24, 71,302.32 and 39,710.40

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Solution

The fourth proportional to 51,651.24, 71,302.32 and 39,710.40 is: 54,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.24 : 71,302.32 = 39,710.40 : x
  2. Step 2: Convert to fraction form
    51,651.24/71,302.32 = 39,710.40/x
  3. Step 3: Cross multiply
    51,651.24x = 71,302.32 × 39,710.40
  4. Step 4: Simplify right side
    51,651.24x = 2,831,443,648.13
  5. Step 5: Solve for x
    x = 2,831,443,648.13/51,651.24
  6. Step 6: Final answer
    x = 54,818.50

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1.5x scale

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.