Home / 39,787.69-59,677.08-10,206.22

Finding the Fourth Proportional to 39,787.69, 59,677.08 and 10,206.22

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Solution

The fourth proportional to 39,787.69, 59,677.08 and 10,206.22 is: 15,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.69 : 59,677.08 = 10,206.22 : x
  2. Step 2: Convert to fraction form
    39,787.69/59,677.08 = 10,206.22/x
  3. Step 3: Cross multiply
    39,787.69x = 59,677.08 × 10,206.22
  4. Step 4: Simplify right side
    39,787.69x = 609,077,407.44
  5. Step 5: Solve for x
    x = 609,077,407.44/39,787.69
  6. Step 6: Final answer
    x = 15,308.19

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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.