Home / 30,695.96-46,046.46-12,931.76

Finding the Fourth Proportional to 30,695.96, 46,046.46 and 12,931.76

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Solution

The fourth proportional to 30,695.96, 46,046.46 and 12,931.76 is: 19,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.96 : 46,046.46 = 12,931.76 : x
  2. Step 2: Convert to fraction form
    30,695.96/46,046.46 = 12,931.76/x
  3. Step 3: Cross multiply
    30,695.96x = 46,046.46 × 12,931.76
  4. Step 4: Simplify right side
    30,695.96x = 595,461,769.57
  5. Step 5: Solve for x
    x = 595,461,769.57/30,695.96
  6. Step 6: Final answer
    x = 19,398.70

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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.