Home / 45,708.30-62,898.12-40,415.76

Finding the Fourth Proportional to 45,708.30, 62,898.12 and 40,415.76

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Solution

The fourth proportional to 45,708.30, 62,898.12 and 40,415.76 is: 55,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,708.30 : 62,898.12 = 40,415.76 : x
  2. Step 2: Convert to fraction form
    45,708.30/62,898.12 = 40,415.76/x
  3. Step 3: Cross multiply
    45,708.30x = 62,898.12 × 40,415.76
  4. Step 4: Simplify right side
    45,708.30x = 2,542,075,322.37
  5. Step 5: Solve for x
    x = 2,542,075,322.37/45,708.30
  6. Step 6: Final answer
    x = 55,615.18

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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.