Home / 42,587.56-63,891.06-13,009.60

Finding the Fourth Proportional to 42,587.56, 63,891.06 and 13,009.60

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Solution

The fourth proportional to 42,587.56, 63,891.06 and 13,009.60 is: 19,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.56 : 63,891.06 = 13,009.60 : x
  2. Step 2: Convert to fraction form
    42,587.56/63,891.06 = 13,009.60/x
  3. Step 3: Cross multiply
    42,587.56x = 63,891.06 × 13,009.60
  4. Step 4: Simplify right side
    42,587.56x = 831,197,134.18
  5. Step 5: Solve for x
    x = 831,197,134.18/42,587.56
  6. Step 6: Final answer
    x = 19,517.37

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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.