Home / 30,547.06-45,831.94-9,772.18

Finding the Fourth Proportional to 30,547.06, 45,831.94 and 9,772.18

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Solution

The fourth proportional to 30,547.06, 45,831.94 and 9,772.18 is: 14,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.06 : 45,831.94 = 9,772.18 : x
  2. Step 2: Convert to fraction form
    30,547.06/45,831.94 = 9,772.18/x
  3. Step 3: Cross multiply
    30,547.06x = 45,831.94 × 9,772.18
  4. Step 4: Simplify right side
    30,547.06x = 447,877,967.43
  5. Step 5: Solve for x
    x = 447,877,967.43/30,547.06
  6. Step 6: Final answer
    x = 14,661.90

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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.