Home / 29,331.84-40,478.40-16,756.32

Finding the Fourth Proportional to 29,331.84, 40,478.40 and 16,756.32

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Solution

The fourth proportional to 29,331.84, 40,478.40 and 16,756.32 is: 23,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.84 : 40,478.40 = 16,756.32 : x
  2. Step 2: Convert to fraction form
    29,331.84/40,478.40 = 16,756.32/x
  3. Step 3: Cross multiply
    29,331.84x = 40,478.40 × 16,756.32
  4. Step 4: Simplify right side
    29,331.84x = 678,269,023.49
  5. Step 5: Solve for x
    x = 678,269,023.49/29,331.84
  6. Step 6: Final answer
    x = 23,123.98

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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.