Home / 31,756.48-47,617.67-10,689.50

Finding the Fourth Proportional to 31,756.48, 47,617.67 and 10,689.50

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Solution

The fourth proportional to 31,756.48, 47,617.67 and 10,689.50 is: 16,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.48 : 47,617.67 = 10,689.50 : x
  2. Step 2: Convert to fraction form
    31,756.48/47,617.67 = 10,689.50/x
  3. Step 3: Cross multiply
    31,756.48x = 47,617.67 × 10,689.50
  4. Step 4: Simplify right side
    31,756.48x = 509,009,229.23
  5. Step 5: Solve for x
    x = 509,009,229.23/31,756.48
  6. Step 6: Final answer
    x = 16,028.52

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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.