Home / 30,483.40-42,068.73-17,053.85

Finding the Fourth Proportional to 30,483.40, 42,068.73 and 17,053.85

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Solution

The fourth proportional to 30,483.40, 42,068.73 and 17,053.85 is: 23,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.40 : 42,068.73 = 17,053.85 : x
  2. Step 2: Convert to fraction form
    30,483.40/42,068.73 = 17,053.85/x
  3. Step 3: Cross multiply
    30,483.40x = 42,068.73 × 17,053.85
  4. Step 4: Simplify right side
    30,483.40x = 717,433,836.34
  5. Step 5: Solve for x
    x = 717,433,836.34/30,483.40
  6. Step 6: Final answer
    x = 23,535.23

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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.