Home / 31,756.54-47,633.35-13,031.98

Finding the Fourth Proportional to 31,756.54, 47,633.35 and 13,031.98

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Solution

The fourth proportional to 31,756.54, 47,633.35 and 13,031.98 is: 19,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.54 : 47,633.35 = 13,031.98 : x
  2. Step 2: Convert to fraction form
    31,756.54/47,633.35 = 13,031.98/x
  3. Step 3: Cross multiply
    31,756.54x = 47,633.35 × 13,031.98
  4. Step 4: Simplify right side
    31,756.54x = 620,756,864.53
  5. Step 5: Solve for x
    x = 620,756,864.53/31,756.54
  6. Step 6: Final answer
    x = 19,547.37

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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.