Home / 29,312.87-40,436.47-17,984.90

Finding the Fourth Proportional to 29,312.87, 40,436.47 and 17,984.90

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Solution

The fourth proportional to 29,312.87, 40,436.47 and 17,984.90 is: 24,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.87 : 40,436.47 = 17,984.90 : x
  2. Step 2: Convert to fraction form
    29,312.87/40,436.47 = 17,984.90/x
  3. Step 3: Cross multiply
    29,312.87x = 40,436.47 × 17,984.90
  4. Step 4: Simplify right side
    29,312.87x = 727,245,721.12
  5. Step 5: Solve for x
    x = 727,245,721.12/29,312.87
  6. Step 6: Final answer
    x = 24,809.77

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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.