Home / 30,595.84-42,220.56-17,165.86

Finding the Fourth Proportional to 30,595.84, 42,220.56 and 17,165.86

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Solution

The fourth proportional to 30,595.84, 42,220.56 and 17,165.86 is: 23,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.84 : 42,220.56 = 17,165.86 : x
  2. Step 2: Convert to fraction form
    30,595.84/42,220.56 = 17,165.86/x
  3. Step 3: Cross multiply
    30,595.84x = 42,220.56 × 17,165.86
  4. Step 4: Simplify right side
    30,595.84x = 724,752,222.08
  5. Step 5: Solve for x
    x = 724,752,222.08/30,595.84
  6. Step 6: Final answer
    x = 23,687.93

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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.