Home / 47,250.63-65,191.92-28,115.07

Finding the Fourth Proportional to 47,250.63, 65,191.92 and 28,115.07

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Solution

The fourth proportional to 47,250.63, 65,191.92 and 28,115.07 is: 38,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.63 : 65,191.92 = 28,115.07 : x
  2. Step 2: Convert to fraction form
    47,250.63/65,191.92 = 28,115.07/x
  3. Step 3: Cross multiply
    47,250.63x = 65,191.92 × 28,115.07
  4. Step 4: Simplify right side
    47,250.63x = 1,832,875,068.27
  5. Step 5: Solve for x
    x = 1,832,875,068.27/47,250.63
  6. Step 6: Final answer
    x = 38,790.49

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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.