Home / 37,130.12-51,238.50-20,362.76

Finding the Fourth Proportional to 37,130.12, 51,238.50 and 20,362.76

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Solution

The fourth proportional to 37,130.12, 51,238.50 and 20,362.76 is: 28,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.12 : 51,238.50 = 20,362.76 : x
  2. Step 2: Convert to fraction form
    37,130.12/51,238.50 = 20,362.76/x
  3. Step 3: Cross multiply
    37,130.12x = 51,238.50 × 20,362.76
  4. Step 4: Simplify right side
    37,130.12x = 1,043,357,278.26
  5. Step 5: Solve for x
    x = 1,043,357,278.26/37,130.12
  6. Step 6: Final answer
    x = 28,100.02

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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.