Home / 31,184.36-46,776.95-10,407.86

Finding the Fourth Proportional to 31,184.36, 46,776.95 and 10,407.86

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Solution

The fourth proportional to 31,184.36, 46,776.95 and 10,407.86 is: 15,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.36 : 46,776.95 = 10,407.86 : x
  2. Step 2: Convert to fraction form
    31,184.36/46,776.95 = 10,407.86/x
  3. Step 3: Cross multiply
    31,184.36x = 46,776.95 × 10,407.86
  4. Step 4: Simplify right side
    31,184.36x = 486,847,946.83
  5. Step 5: Solve for x
    x = 486,847,946.83/31,184.36
  6. Step 6: Final answer
    x = 15,611.93

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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.