Home / 45,130.52-67,695.74-12,298.52

Finding the Fourth Proportional to 45,130.52, 67,695.74 and 12,298.52

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Solution

The fourth proportional to 45,130.52, 67,695.74 and 12,298.52 is: 18,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130.52 : 67,695.74 = 12,298.52 : x
  2. Step 2: Convert to fraction form
    45,130.52/67,695.74 = 12,298.52/x
  3. Step 3: Cross multiply
    45,130.52x = 67,695.74 × 12,298.52
  4. Step 4: Simplify right side
    45,130.52x = 832,557,412.30
  5. Step 5: Solve for x
    x = 832,557,412.30/45,130.52
  6. Step 6: Final answer
    x = 18,447.77

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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.