Home / 30,426.28-45,648.52-11,707.98

Finding the Fourth Proportional to 30,426.28, 45,648.52 and 11,707.98

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Solution

The fourth proportional to 30,426.28, 45,648.52 and 11,707.98 is: 17,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.28 : 45,648.52 = 11,707.98 : x
  2. Step 2: Convert to fraction form
    30,426.28/45,648.52 = 11,707.98/x
  3. Step 3: Cross multiply
    30,426.28x = 45,648.52 × 11,707.98
  4. Step 4: Simplify right side
    30,426.28x = 534,451,959.19
  5. Step 5: Solve for x
    x = 534,451,959.19/30,426.28
  6. Step 6: Final answer
    x = 17,565.47

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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.