Home / 40,889.16-61,320.78-17,509.32

Finding the Fourth Proportional to 40,889.16, 61,320.78 and 17,509.32

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Solution

The fourth proportional to 40,889.16, 61,320.78 and 17,509.32 is: 26,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889.16 : 61,320.78 = 17,509.32 : x
  2. Step 2: Convert to fraction form
    40,889.16/61,320.78 = 17,509.32/x
  3. Step 3: Cross multiply
    40,889.16x = 61,320.78 × 17,509.32
  4. Step 4: Simplify right side
    40,889.16x = 1,073,685,159.67
  5. Step 5: Solve for x
    x = 1,073,685,159.67/40,889.16
  6. Step 6: Final answer
    x = 26,258.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.