Home / 29,478.32-40,681.20-16,050.32

Finding the Fourth Proportional to 29,478.32, 40,681.20 and 16,050.32

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Solution

The fourth proportional to 29,478.32, 40,681.20 and 16,050.32 is: 22,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.32 : 40,681.20 = 16,050.32 : x
  2. Step 2: Convert to fraction form
    29,478.32/40,681.20 = 16,050.32/x
  3. Step 3: Cross multiply
    29,478.32x = 40,681.20 × 16,050.32
  4. Step 4: Simplify right side
    29,478.32x = 652,946,277.98
  5. Step 5: Solve for x
    x = 652,946,277.98/29,478.32
  6. Step 6: Final answer
    x = 22,150.05

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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.