Home / 43,279.08-64,925.02-13,690.20

Finding the Fourth Proportional to 43,279.08, 64,925.02 and 13,690.20

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Solution

The fourth proportional to 43,279.08, 64,925.02 and 13,690.20 is: 20,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.08 : 64,925.02 = 13,690.20 : x
  2. Step 2: Convert to fraction form
    43,279.08/64,925.02 = 13,690.20/x
  3. Step 3: Cross multiply
    43,279.08x = 64,925.02 × 13,690.20
  4. Step 4: Simplify right side
    43,279.08x = 888,836,508.80
  5. Step 5: Solve for x
    x = 888,836,508.80/43,279.08
  6. Step 6: Final answer
    x = 20,537.32

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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.