Home / 47,647.32-71,465.52-12,589.74

Finding the Fourth Proportional to 47,647.32, 71,465.52 and 12,589.74

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Solution

The fourth proportional to 47,647.32, 71,465.52 and 12,589.74 is: 18,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,647.32 : 71,465.52 = 12,589.74 : x
  2. Step 2: Convert to fraction form
    47,647.32/71,465.52 = 12,589.74/x
  3. Step 3: Cross multiply
    47,647.32x = 71,465.52 × 12,589.74
  4. Step 4: Simplify right side
    47,647.32x = 899,732,315.76
  5. Step 5: Solve for x
    x = 899,732,315.76/47,647.32
  6. Step 6: Final answer
    x = 18,883.17

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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.