Home / 31,816.90-47,724.90-10,752.45

Finding the Fourth Proportional to 31,816.90, 47,724.90 and 10,752.45

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Solution

The fourth proportional to 31,816.90, 47,724.90 and 10,752.45 is: 16,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.90 : 47,724.90 = 10,752.45 : x
  2. Step 2: Convert to fraction form
    31,816.90/47,724.90 = 10,752.45/x
  3. Step 3: Cross multiply
    31,816.90x = 47,724.90 × 10,752.45
  4. Step 4: Simplify right side
    31,816.90x = 513,159,381.71
  5. Step 5: Solve for x
    x = 513,159,381.71/31,816.90
  6. Step 6: Final answer
    x = 16,128.52

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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.