Home / 30,587.67-42,221.48-19,276.25

Finding the Fourth Proportional to 30,587.67, 42,221.48 and 19,276.25

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Solution

The fourth proportional to 30,587.67, 42,221.48 and 19,276.25 is: 26,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.67 : 42,221.48 = 19,276.25 : x
  2. Step 2: Convert to fraction form
    30,587.67/42,221.48 = 19,276.25/x
  3. Step 3: Cross multiply
    30,587.67x = 42,221.48 × 19,276.25
  4. Step 4: Simplify right side
    30,587.67x = 813,871,496.36
  5. Step 5: Solve for x
    x = 813,871,496.36/30,587.67
  6. Step 6: Final answer
    x = 26,607.83

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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.