Home / 29,332.32-40,478.58-15,904.02

Finding the Fourth Proportional to 29,332.32, 40,478.58 and 15,904.02

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Solution

The fourth proportional to 29,332.32, 40,478.58 and 15,904.02 is: 21,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.32 : 40,478.58 = 15,904.02 : x
  2. Step 2: Convert to fraction form
    29,332.32/40,478.58 = 15,904.02/x
  3. Step 3: Cross multiply
    29,332.32x = 40,478.58 × 15,904.02
  4. Step 4: Simplify right side
    29,332.32x = 643,772,145.89
  5. Step 5: Solve for x
    x = 643,772,145.89/29,332.32
  6. Step 6: Final answer
    x = 21,947.54

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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.