Home / 31,011.76-46,523.40-14,360.80

Finding the Fourth Proportional to 31,011.76, 46,523.40 and 14,360.80

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Solution

The fourth proportional to 31,011.76, 46,523.40 and 14,360.80 is: 21,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.76 : 46,523.40 = 14,360.80 : x
  2. Step 2: Convert to fraction form
    31,011.76/46,523.40 = 14,360.80/x
  3. Step 3: Cross multiply
    31,011.76x = 46,523.40 × 14,360.80
  4. Step 4: Simplify right side
    31,011.76x = 668,113,242.72
  5. Step 5: Solve for x
    x = 668,113,242.72/31,011.76
  6. Step 6: Final answer
    x = 21,543.87

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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.