Home / 51,911.07-71,637.29-28,037.76

Finding the Fourth Proportional to 51,911.07, 71,637.29 and 28,037.76

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Solution

The fourth proportional to 51,911.07, 71,637.29 and 28,037.76 is: 38,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.07 : 71,637.29 = 28,037.76 : x
  2. Step 2: Convert to fraction form
    51,911.07/71,637.29 = 28,037.76/x
  3. Step 3: Cross multiply
    51,911.07x = 71,637.29 × 28,037.76
  4. Step 4: Simplify right side
    51,911.07x = 2,008,549,144.07
  5. Step 5: Solve for x
    x = 2,008,549,144.07/51,911.07
  6. Step 6: Final answer
    x = 38,692.12

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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.