Home / 32,618.78-48,912.76-12,637.64

Finding the Fourth Proportional to 32,618.78, 48,912.76 and 12,637.64

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Solution

The fourth proportional to 32,618.78, 48,912.76 and 12,637.64 is: 18,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,618.78 : 48,912.76 = 12,637.64 : x
  2. Step 2: Convert to fraction form
    32,618.78/48,912.76 = 12,637.64/x
  3. Step 3: Cross multiply
    32,618.78x = 48,912.76 × 12,637.64
  4. Step 4: Simplify right side
    32,618.78x = 618,141,852.29
  5. Step 5: Solve for x
    x = 618,141,852.29/32,618.78
  6. Step 6: Final answer
    x = 18,950.49

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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.