Home / 40,315.34-55,660.08-25,980.23

Finding the Fourth Proportional to 40,315.34, 55,660.08 and 25,980.23

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Solution

The fourth proportional to 40,315.34, 55,660.08 and 25,980.23 is: 35,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.34 : 55,660.08 = 25,980.23 : x
  2. Step 2: Convert to fraction form
    40,315.34/55,660.08 = 25,980.23/x
  3. Step 3: Cross multiply
    40,315.34x = 55,660.08 × 25,980.23
  4. Step 4: Simplify right side
    40,315.34x = 1,446,061,680.22
  5. Step 5: Solve for x
    x = 1,446,061,680.22/40,315.34
  6. Step 6: Final answer
    x = 35,868.77

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Double scale
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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.