Home / 39,682.88-54,737.76-34,368.56

Finding the Fourth Proportional to 39,682.88, 54,737.76 and 34,368.56

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Solution

The fourth proportional to 39,682.88, 54,737.76 and 34,368.56 is: 47,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.88 : 54,737.76 = 34,368.56 : x
  2. Step 2: Convert to fraction form
    39,682.88/54,737.76 = 34,368.56/x
  3. Step 3: Cross multiply
    39,682.88x = 54,737.76 × 34,368.56
  4. Step 4: Simplify right side
    39,682.88x = 1,881,257,988.83
  5. Step 5: Solve for x
    x = 1,881,257,988.83/39,682.88
  6. Step 6: Final answer
    x = 47,407.29

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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.