Home / 30,019.20-41,426.64-16,407.53

Finding the Fourth Proportional to 30,019.20, 41,426.64 and 16,407.53

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Solution

The fourth proportional to 30,019.20, 41,426.64 and 16,407.53 is: 22,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.20 : 41,426.64 = 16,407.53 : x
  2. Step 2: Convert to fraction form
    30,019.20/41,426.64 = 16,407.53/x
  3. Step 3: Cross multiply
    30,019.20x = 41,426.64 × 16,407.53
  4. Step 4: Simplify right side
    30,019.20x = 679,708,549.43
  5. Step 5: Solve for x
    x = 679,708,549.43/30,019.20
  6. Step 6: Final answer
    x = 22,642.46

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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.