Home / 40,486.78-61,038.48-37,632.76

Finding the Fourth Proportional to 40,486.78, 61,038.48 and 37,632.76

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Solution

The fourth proportional to 40,486.78, 61,038.48 and 37,632.76 is: 56,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.78 : 61,038.48 = 37,632.76 : x
  2. Step 2: Convert to fraction form
    40,486.78/61,038.48 = 37,632.76/x
  3. Step 3: Cross multiply
    40,486.78x = 61,038.48 × 37,632.76
  4. Step 4: Simplify right side
    40,486.78x = 2,297,046,468.60
  5. Step 5: Solve for x
    x = 2,297,046,468.60/40,486.78
  6. Step 6: Final answer
    x = 56,735.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.