Home / 42,641.47-63,962.35-13,059.17

Finding the Fourth Proportional to 42,641.47, 63,962.35 and 13,059.17

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Solution

The fourth proportional to 42,641.47, 63,962.35 and 13,059.17 is: 19,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,641.47 : 63,962.35 = 13,059.17 : x
  2. Step 2: Convert to fraction form
    42,641.47/63,962.35 = 13,059.17/x
  3. Step 3: Cross multiply
    42,641.47x = 63,962.35 × 13,059.17
  4. Step 4: Simplify right side
    42,641.47x = 835,295,202.25
  5. Step 5: Solve for x
    x = 835,295,202.25/42,641.47
  6. Step 6: Final answer
    x = 19,588.80

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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.