Home / 30,043.09-41,457.79-16,613.45

Finding the Fourth Proportional to 30,043.09, 41,457.79 and 16,613.45

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Solution

The fourth proportional to 30,043.09, 41,457.79 and 16,613.45 is: 22,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.09 : 41,457.79 = 16,613.45 : x
  2. Step 2: Convert to fraction form
    30,043.09/41,457.79 = 16,613.45/x
  3. Step 3: Cross multiply
    30,043.09x = 41,457.79 × 16,613.45
  4. Step 4: Simplify right side
    30,043.09x = 688,756,921.28
  5. Step 5: Solve for x
    x = 688,756,921.28/30,043.09
  6. Step 6: Final answer
    x = 22,925.64

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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.