Home / 52,650.51-72,615.90-39,772.76

Finding the Fourth Proportional to 52,650.51, 72,615.90 and 39,772.76

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Solution

The fourth proportional to 52,650.51, 72,615.90 and 39,772.76 is: 54,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.51 : 72,615.90 = 39,772.76 : x
  2. Step 2: Convert to fraction form
    52,650.51/72,615.90 = 39,772.76/x
  3. Step 3: Cross multiply
    52,650.51x = 72,615.90 × 39,772.76
  4. Step 4: Simplify right side
    52,650.51x = 2,888,134,200.94
  5. Step 5: Solve for x
    x = 2,888,134,200.94/52,650.51
  6. Step 6: Final answer
    x = 54,854.82

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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.