Home / 30,913.20-42,659.70-17,483.96

Finding the Fourth Proportional to 30,913.20, 42,659.70 and 17,483.96

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Solution

The fourth proportional to 30,913.20, 42,659.70 and 17,483.96 is: 24,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,913.20 : 42,659.70 = 17,483.96 : x
  2. Step 2: Convert to fraction form
    30,913.20/42,659.70 = 17,483.96/x
  3. Step 3: Cross multiply
    30,913.20x = 42,659.70 × 17,483.96
  4. Step 4: Simplify right side
    30,913.20x = 745,860,275.11
  5. Step 5: Solve for x
    x = 745,860,275.11/30,913.20
  6. Step 6: Final answer
    x = 24,127.57

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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.