Home / 31,646.50-47,458.40-9,455.74

Finding the Fourth Proportional to 31,646.50, 47,458.40 and 9,455.74

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Solution

The fourth proportional to 31,646.50, 47,458.40 and 9,455.74 is: 14,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.50 : 47,458.40 = 9,455.74 : x
  2. Step 2: Convert to fraction form
    31,646.50/47,458.40 = 9,455.74/x
  3. Step 3: Cross multiply
    31,646.50x = 47,458.40 × 9,455.74
  4. Step 4: Simplify right side
    31,646.50x = 448,754,291.22
  5. Step 5: Solve for x
    x = 448,754,291.22/31,646.50
  6. Step 6: Final answer
    x = 14,180.22

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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.