Home / 31,390.52-47,045.75-14,713.76

Finding the Fourth Proportional to 31,390.52, 47,045.75 and 14,713.76

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Solution

The fourth proportional to 31,390.52, 47,045.75 and 14,713.76 is: 22,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.52 : 47,045.75 = 14,713.76 : x
  2. Step 2: Convert to fraction form
    31,390.52/47,045.75 = 14,713.76/x
  3. Step 3: Cross multiply
    31,390.52x = 47,045.75 × 14,713.76
  4. Step 4: Simplify right side
    31,390.52x = 692,219,918.57
  5. Step 5: Solve for x
    x = 692,219,918.57/31,390.52
  6. Step 6: Final answer
    x = 22,051.88

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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.