Home / 31,225.79-46,838.69-18,070.98

Finding the Fourth Proportional to 31,225.79, 46,838.69 and 18,070.98

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Solution

The fourth proportional to 31,225.79, 46,838.69 and 18,070.98 is: 27,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.79 : 46,838.69 = 18,070.98 : x
  2. Step 2: Convert to fraction form
    31,225.79/46,838.69 = 18,070.98/x
  3. Step 3: Cross multiply
    31,225.79x = 46,838.69 × 18,070.98
  4. Step 4: Simplify right side
    31,225.79x = 846,420,939.86
  5. Step 5: Solve for x
    x = 846,420,939.86/31,225.79
  6. Step 6: Final answer
    x = 27,106.47

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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.