Home / 40,015.65-55,247.37-25,681.66

Finding the Fourth Proportional to 40,015.65, 55,247.37 and 25,681.66

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Solution

The fourth proportional to 40,015.65, 55,247.37 and 25,681.66 is: 35,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.65 : 55,247.37 = 25,681.66 : x
  2. Step 2: Convert to fraction form
    40,015.65/55,247.37 = 25,681.66/x
  3. Step 3: Cross multiply
    40,015.65x = 55,247.37 × 25,681.66
  4. Step 4: Simplify right side
    40,015.65x = 1,418,843,937.81
  5. Step 5: Solve for x
    x = 1,418,843,937.81/40,015.65
  6. Step 6: Final answer
    x = 35,457.22

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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.