Home / 30,785.12-42,483.66-16,637.94

Finding the Fourth Proportional to 30,785.12, 42,483.66 and 16,637.94

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Solution

The fourth proportional to 30,785.12, 42,483.66 and 16,637.94 is: 22,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.12 : 42,483.66 = 16,637.94 : x
  2. Step 2: Convert to fraction form
    30,785.12/42,483.66 = 16,637.94/x
  3. Step 3: Cross multiply
    30,785.12x = 42,483.66 × 16,637.94
  4. Step 4: Simplify right side
    30,785.12x = 706,840,586.06
  5. Step 5: Solve for x
    x = 706,840,586.06/30,785.12
  6. Step 6: Final answer
    x = 22,960.46

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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.