Home / 30,903.90-42,648.22-17,477.16

Finding the Fourth Proportional to 30,903.90, 42,648.22 and 17,477.16

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Solution

The fourth proportional to 30,903.90, 42,648.22 and 17,477.16 is: 24,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.90 : 42,648.22 = 17,477.16 : x
  2. Step 2: Convert to fraction form
    30,903.90/42,648.22 = 17,477.16/x
  3. Step 3: Cross multiply
    30,903.90x = 42,648.22 × 17,477.16
  4. Step 4: Simplify right side
    30,903.90x = 745,369,626.57
  5. Step 5: Solve for x
    x = 745,369,626.57/30,903.90
  6. Step 6: Final answer
    x = 24,118.95

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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.