Home / 31,307.48-46,931.82-10,516.40

Finding the Fourth Proportional to 31,307.48, 46,931.82 and 10,516.40

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Solution

The fourth proportional to 31,307.48, 46,931.82 and 10,516.40 is: 15,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.48 : 46,931.82 = 10,516.40 : x
  2. Step 2: Convert to fraction form
    31,307.48/46,931.82 = 10,516.40/x
  3. Step 3: Cross multiply
    31,307.48x = 46,931.82 × 10,516.40
  4. Step 4: Simplify right side
    31,307.48x = 493,553,791.85
  5. Step 5: Solve for x
    x = 493,553,791.85/31,307.48
  6. Step 6: Final answer
    x = 15,764.72

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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.