Home / 29,570.90-40,807.95-16,142.45

Finding the Fourth Proportional to 29,570.90, 40,807.95 and 16,142.45

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Solution

The fourth proportional to 29,570.90, 40,807.95 and 16,142.45 is: 22,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,570.90 : 40,807.95 = 16,142.45 : x
  2. Step 2: Convert to fraction form
    29,570.90/40,807.95 = 16,142.45/x
  3. Step 3: Cross multiply
    29,570.90x = 40,807.95 × 16,142.45
  4. Step 4: Simplify right side
    29,570.90x = 658,740,088.44
  5. Step 5: Solve for x
    x = 658,740,088.44/29,570.90
  6. Step 6: Final answer
    x = 22,276.64

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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.