Home / 34,656.08-47,819.88-20,313.44

Finding the Fourth Proportional to 34,656.08, 47,819.88 and 20,313.44

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Solution

The fourth proportional to 34,656.08, 47,819.88 and 20,313.44 is: 28,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,656.08 : 47,819.88 = 20,313.44 : x
  2. Step 2: Convert to fraction form
    34,656.08/47,819.88 = 20,313.44/x
  3. Step 3: Cross multiply
    34,656.08x = 47,819.88 × 20,313.44
  4. Step 4: Simplify right side
    34,656.08x = 971,386,263.19
  5. Step 5: Solve for x
    x = 971,386,263.19/34,656.08
  6. Step 6: Final answer
    x = 28,029.32

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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.