Home / 30,917.63-42,666.33-17,488.59

Finding the Fourth Proportional to 30,917.63, 42,666.33 and 17,488.59

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Solution

The fourth proportional to 30,917.63, 42,666.33 and 17,488.59 is: 24,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.63 : 42,666.33 = 17,488.59 : x
  2. Step 2: Convert to fraction form
    30,917.63/42,666.33 = 17,488.59/x
  3. Step 3: Cross multiply
    30,917.63x = 42,666.33 × 17,488.59
  4. Step 4: Simplify right side
    30,917.63x = 746,173,952.17
  5. Step 5: Solve for x
    x = 746,173,952.17/30,917.63
  6. Step 6: Final answer
    x = 24,134.26

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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.