Home / 30,624.21-42,263.50-17,013.81

Finding the Fourth Proportional to 30,624.21, 42,263.50 and 17,013.81

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Solution

The fourth proportional to 30,624.21, 42,263.50 and 17,013.81 is: 23,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.21 : 42,263.50 = 17,013.81 : x
  2. Step 2: Convert to fraction form
    30,624.21/42,263.50 = 17,013.81/x
  3. Step 3: Cross multiply
    30,624.21x = 42,263.50 × 17,013.81
  4. Step 4: Simplify right side
    30,624.21x = 719,063,158.94
  5. Step 5: Solve for x
    x = 719,063,158.94/30,624.21
  6. Step 6: Final answer
    x = 23,480.22

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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.