Home / 30,585.17-45,877.73-8,398.64

Finding the Fourth Proportional to 30,585.17, 45,877.73 and 8,398.64

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Solution

The fourth proportional to 30,585.17, 45,877.73 and 8,398.64 is: 12,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.17 : 45,877.73 = 8,398.64 : x
  2. Step 2: Convert to fraction form
    30,585.17/45,877.73 = 8,398.64/x
  3. Step 3: Cross multiply
    30,585.17x = 45,877.73 × 8,398.64
  4. Step 4: Simplify right side
    30,585.17x = 385,310,266.91
  5. Step 5: Solve for x
    x = 385,310,266.91/30,585.17
  6. Step 6: Final answer
    x = 12,597.95

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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.