Home / 30,465.84-45,705.96-9,689.34

Finding the Fourth Proportional to 30,465.84, 45,705.96 and 9,689.34

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Solution

The fourth proportional to 30,465.84, 45,705.96 and 9,689.34 is: 14,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.84 : 45,705.96 = 9,689.34 : x
  2. Step 2: Convert to fraction form
    30,465.84/45,705.96 = 9,689.34/x
  3. Step 3: Cross multiply
    30,465.84x = 45,705.96 × 9,689.34
  4. Step 4: Simplify right side
    30,465.84x = 442,860,586.47
  5. Step 5: Solve for x
    x = 442,860,586.47/30,465.84
  6. Step 6: Final answer
    x = 14,536.30

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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.