Home / 30,280.64-45,417.51-8,095.95

Finding the Fourth Proportional to 30,280.64, 45,417.51 and 8,095.95

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Solution

The fourth proportional to 30,280.64, 45,417.51 and 8,095.95 is: 12,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.64 : 45,417.51 = 8,095.95 : x
  2. Step 2: Convert to fraction form
    30,280.64/45,417.51 = 8,095.95/x
  3. Step 3: Cross multiply
    30,280.64x = 45,417.51 × 8,095.95
  4. Step 4: Simplify right side
    30,280.64x = 367,697,890.08
  5. Step 5: Solve for x
    x = 367,697,890.08/30,280.64
  6. Step 6: Final answer
    x = 12,143.00

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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.