Home / 30,206.79-41,681.39-16,776.18

Finding the Fourth Proportional to 30,206.79, 41,681.39 and 16,776.18

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Solution

The fourth proportional to 30,206.79, 41,681.39 and 16,776.18 is: 23,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.79 : 41,681.39 = 16,776.18 : x
  2. Step 2: Convert to fraction form
    30,206.79/41,681.39 = 16,776.18/x
  3. Step 3: Cross multiply
    30,206.79x = 41,681.39 × 16,776.18
  4. Step 4: Simplify right side
    30,206.79x = 699,254,417.41
  5. Step 5: Solve for x
    x = 699,254,417.41/30,206.79
  6. Step 6: Final answer
    x = 23,148.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.