Home / 47,049.63-70,545.81-20,000.10

Finding the Fourth Proportional to 47,049.63, 70,545.81 and 20,000.10

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Solution

The fourth proportional to 47,049.63, 70,545.81 and 20,000.10 is: 29,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,049.63 : 70,545.81 = 20,000.10 : x
  2. Step 2: Convert to fraction form
    47,049.63/70,545.81 = 20,000.10/x
  3. Step 3: Cross multiply
    47,049.63x = 70,545.81 × 20,000.10
  4. Step 4: Simplify right side
    47,049.63x = 1,410,923,254.58
  5. Step 5: Solve for x
    x = 1,410,923,254.58/47,049.63
  6. Step 6: Final answer
    x = 29,987.98

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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.