Home / 47,764.20-71,646.30-14,489.40

Finding the Fourth Proportional to 47,764.20, 71,646.30 and 14,489.40

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Solution

The fourth proportional to 47,764.20, 71,646.30 and 14,489.40 is: 21,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.20 : 71,646.30 = 14,489.40 : x
  2. Step 2: Convert to fraction form
    47,764.20/71,646.30 = 14,489.40/x
  3. Step 3: Cross multiply
    47,764.20x = 71,646.30 × 14,489.40
  4. Step 4: Simplify right side
    47,764.20x = 1,038,111,899.22
  5. Step 5: Solve for x
    x = 1,038,111,899.22/47,764.20
  6. Step 6: Final answer
    x = 21,734.10

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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.