Home / 30,599.17-45,898.75-8,412.05

Finding the Fourth Proportional to 30,599.17, 45,898.75 and 8,412.05

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Solution

The fourth proportional to 30,599.17, 45,898.75 and 8,412.05 is: 12,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.17 : 45,898.75 = 8,412.05 : x
  2. Step 2: Convert to fraction form
    30,599.17/45,898.75 = 8,412.05/x
  3. Step 3: Cross multiply
    30,599.17x = 45,898.75 × 8,412.05
  4. Step 4: Simplify right side
    30,599.17x = 386,102,705.20
  5. Step 5: Solve for x
    x = 386,102,705.20/30,599.17
  6. Step 6: Final answer
    x = 12,618.08

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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.