Home / 30,521.54-45,772.59-9,740.18

Finding the Fourth Proportional to 30,521.54, 45,772.59 and 9,740.18

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Solution

The fourth proportional to 30,521.54, 45,772.59 and 9,740.18 is: 14,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.54 : 45,772.59 = 9,740.18 : x
  2. Step 2: Convert to fraction form
    30,521.54/45,772.59 = 9,740.18/x
  3. Step 3: Cross multiply
    30,521.54x = 45,772.59 × 9,740.18
  4. Step 4: Simplify right side
    30,521.54x = 445,833,265.67
  5. Step 5: Solve for x
    x = 445,833,265.67/30,521.54
  6. Step 6: Final answer
    x = 14,607.17

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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.