Home / 29,703.89-40,981.28-16,947.92

Finding the Fourth Proportional to 29,703.89, 40,981.28 and 16,947.92

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Solution

The fourth proportional to 29,703.89, 40,981.28 and 16,947.92 is: 23,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,703.89 : 40,981.28 = 16,947.92 : x
  2. Step 2: Convert to fraction form
    29,703.89/40,981.28 = 16,947.92/x
  3. Step 3: Cross multiply
    29,703.89x = 40,981.28 × 16,947.92
  4. Step 4: Simplify right side
    29,703.89x = 694,547,165.29
  5. Step 5: Solve for x
    x = 694,547,165.29/29,703.89
  6. Step 6: Final answer
    x = 23,382.37

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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.