Home / 45,497.70-68,246.55-40,686.30

Finding the Fourth Proportional to 45,497.70, 68,246.55 and 40,686.30

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Solution

The fourth proportional to 45,497.70, 68,246.55 and 40,686.30 is: 61,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.70 : 68,246.55 = 40,686.30 : x
  2. Step 2: Convert to fraction form
    45,497.70/68,246.55 = 40,686.30/x
  3. Step 3: Cross multiply
    45,497.70x = 68,246.55 × 40,686.30
  4. Step 4: Simplify right side
    45,497.70x = 2,776,699,607.27
  5. Step 5: Solve for x
    x = 2,776,699,607.27/45,497.70
  6. Step 6: Final answer
    x = 61,029.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.