Home / 30,577.04-45,862.47-8,392.64

Finding the Fourth Proportional to 30,577.04, 45,862.47 and 8,392.64

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Solution

The fourth proportional to 30,577.04, 45,862.47 and 8,392.64 is: 12,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.04 : 45,862.47 = 8,392.64 : x
  2. Step 2: Convert to fraction form
    30,577.04/45,862.47 = 8,392.64/x
  3. Step 3: Cross multiply
    30,577.04x = 45,862.47 × 8,392.64
  4. Step 4: Simplify right side
    30,577.04x = 384,906,970.91
  5. Step 5: Solve for x
    x = 384,906,970.91/30,577.04
  6. Step 6: Final answer
    x = 12,588.11

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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.