Home / 29,211.99-40,312.80-16,637.55

Finding the Fourth Proportional to 29,211.99, 40,312.80 and 16,637.55

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Solution

The fourth proportional to 29,211.99, 40,312.80 and 16,637.55 is: 22,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.99 : 40,312.80 = 16,637.55 : x
  2. Step 2: Convert to fraction form
    29,211.99/40,312.80 = 16,637.55/x
  3. Step 3: Cross multiply
    29,211.99x = 40,312.80 × 16,637.55
  4. Step 4: Simplify right side
    29,211.99x = 670,706,225.64
  5. Step 5: Solve for x
    x = 670,706,225.64/29,211.99
  6. Step 6: Final answer
    x = 22,959.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.