Home / 31,123.71-46,692.77-11,402.55

Finding the Fourth Proportional to 31,123.71, 46,692.77 and 11,402.55

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Solution

The fourth proportional to 31,123.71, 46,692.77 and 11,402.55 is: 17,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,123.71 : 46,692.77 = 11,402.55 : x
  2. Step 2: Convert to fraction form
    31,123.71/46,692.77 = 11,402.55/x
  3. Step 3: Cross multiply
    31,123.71x = 46,692.77 × 11,402.55
  4. Step 4: Simplify right side
    31,123.71x = 532,416,587.55
  5. Step 5: Solve for x
    x = 532,416,587.55/31,123.71
  6. Step 6: Final answer
    x = 17,106.46

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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.