Home / 30,628.51-42,267.17-17,200.94

Finding the Fourth Proportional to 30,628.51, 42,267.17 and 17,200.94

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Solution

The fourth proportional to 30,628.51, 42,267.17 and 17,200.94 is: 23,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.51 : 42,267.17 = 17,200.94 : x
  2. Step 2: Convert to fraction form
    30,628.51/42,267.17 = 17,200.94/x
  3. Step 3: Cross multiply
    30,628.51x = 42,267.17 × 17,200.94
  4. Step 4: Simplify right side
    30,628.51x = 727,034,886.81
  5. Step 5: Solve for x
    x = 727,034,886.81/30,628.51
  6. Step 6: Final answer
    x = 23,737.20

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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.