Home / 30,618.81-45,885.45-16,548.51

Finding the Fourth Proportional to 30,618.81, 45,885.45 and 16,548.51

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Solution

The fourth proportional to 30,618.81, 45,885.45 and 16,548.51 is: 24,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.81 : 45,885.45 = 16,548.51 : x
  2. Step 2: Convert to fraction form
    30,618.81/45,885.45 = 16,548.51/x
  3. Step 3: Cross multiply
    30,618.81x = 45,885.45 × 16,548.51
  4. Step 4: Simplify right side
    30,618.81x = 759,335,828.18
  5. Step 5: Solve for x
    x = 759,335,828.18/30,618.81
  6. Step 6: Final answer
    x = 24,799.65

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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.