Home / 30,577.01-45,860.59-8,385.23

Finding the Fourth Proportional to 30,577.01, 45,860.59 and 8,385.23

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Solution

The fourth proportional to 30,577.01, 45,860.59 and 8,385.23 is: 12,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.01 : 45,860.59 = 8,385.23 : x
  2. Step 2: Convert to fraction form
    30,577.01/45,860.59 = 8,385.23/x
  3. Step 3: Cross multiply
    30,577.01x = 45,860.59 × 8,385.23
  4. Step 4: Simplify right side
    30,577.01x = 384,551,688.77
  5. Step 5: Solve for x
    x = 384,551,688.77/30,577.01
  6. Step 6: Final answer
    x = 12,576.50

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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.