Home / 47,547.76-65,611.30-28,423.70

Finding the Fourth Proportional to 47,547.76, 65,611.30 and 28,423.70

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Solution

The fourth proportional to 47,547.76, 65,611.30 and 28,423.70 is: 39,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,547.76 : 65,611.30 = 28,423.70 : x
  2. Step 2: Convert to fraction form
    47,547.76/65,611.30 = 28,423.70/x
  3. Step 3: Cross multiply
    47,547.76x = 65,611.30 × 28,423.70
  4. Step 4: Simplify right side
    47,547.76x = 1,864,916,107.37
  5. Step 5: Solve for x
    x = 1,864,916,107.37/47,547.76
  6. Step 6: Final answer
    x = 39,221.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.