Home / 59,911.32-89,877.54-20,459.18

Finding the Fourth Proportional to 59,911.32, 89,877.54 and 20,459.18

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Solution

The fourth proportional to 59,911.32, 89,877.54 and 20,459.18 is: 30,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,911.32 : 89,877.54 = 20,459.18 : x
  2. Step 2: Convert to fraction form
    59,911.32/89,877.54 = 20,459.18/x
  3. Step 3: Cross multiply
    59,911.32x = 89,877.54 × 20,459.18
  4. Step 4: Simplify right side
    59,911.32x = 1,838,820,768.82
  5. Step 5: Solve for x
    x = 1,838,820,768.82/59,911.32
  6. Step 6: Final answer
    x = 30,692.38

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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.