Home / 30,619.81-45,886.95-16,549.51

Finding the Fourth Proportional to 30,619.81, 45,886.95 and 16,549.51

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Solution

The fourth proportional to 30,619.81, 45,886.95 and 16,549.51 is: 24,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.81 : 45,886.95 = 16,549.51 : x
  2. Step 2: Convert to fraction form
    30,619.81/45,886.95 = 16,549.51/x
  3. Step 3: Cross multiply
    30,619.81x = 45,886.95 × 16,549.51
  4. Step 4: Simplify right side
    30,619.81x = 759,406,537.89
  5. Step 5: Solve for x
    x = 759,406,537.89/30,619.81
  6. Step 6: Final answer
    x = 24,801.15

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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.