Home / 47,035.98-70,561.04-13,758.30

Finding the Fourth Proportional to 47,035.98, 70,561.04 and 13,758.30

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Solution

The fourth proportional to 47,035.98, 70,561.04 and 13,758.30 is: 20,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.98 : 70,561.04 = 13,758.30 : x
  2. Step 2: Convert to fraction form
    47,035.98/70,561.04 = 13,758.30/x
  3. Step 3: Cross multiply
    47,035.98x = 70,561.04 × 13,758.30
  4. Step 4: Simplify right side
    47,035.98x = 970,799,887.84
  5. Step 5: Solve for x
    x = 970,799,887.84/47,035.98
  6. Step 6: Final answer
    x = 20,639.52

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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.