Home / 47,045.72-70,552.92-13,767.68

Finding the Fourth Proportional to 47,045.72, 70,552.92 and 13,767.68

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Solution

The fourth proportional to 47,045.72, 70,552.92 and 13,767.68 is: 20,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,045.72 : 70,552.92 = 13,767.68 : x
  2. Step 2: Convert to fraction form
    47,045.72/70,552.92 = 13,767.68/x
  3. Step 3: Cross multiply
    47,045.72x = 70,552.92 × 13,767.68
  4. Step 4: Simplify right side
    47,045.72x = 971,350,025.63
  5. Step 5: Solve for x
    x = 971,350,025.63/47,045.72
  6. Step 6: Final answer
    x = 20,646.94

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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.