Home / 30,772.60-46,122.90-17,637.40

Finding the Fourth Proportional to 30,772.60, 46,122.90 and 17,637.40

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Solution

The fourth proportional to 30,772.60, 46,122.90 and 17,637.40 is: 26,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.60 : 46,122.90 = 17,637.40 : x
  2. Step 2: Convert to fraction form
    30,772.60/46,122.90 = 17,637.40/x
  3. Step 3: Cross multiply
    30,772.60x = 46,122.90 × 17,637.40
  4. Step 4: Simplify right side
    30,772.60x = 813,488,036.46
  5. Step 5: Solve for x
    x = 813,488,036.46/30,772.60
  6. Step 6: Final answer
    x = 26,435.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.