Home / 40,386.30-55,728.04-23,390.28

Finding the Fourth Proportional to 40,386.30, 55,728.04 and 23,390.28

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Solution

The fourth proportional to 40,386.30, 55,728.04 and 23,390.28 is: 32,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.30 : 55,728.04 = 23,390.28 : x
  2. Step 2: Convert to fraction form
    40,386.30/55,728.04 = 23,390.28/x
  3. Step 3: Cross multiply
    40,386.30x = 55,728.04 × 23,390.28
  4. Step 4: Simplify right side
    40,386.30x = 1,303,494,459.45
  5. Step 5: Solve for x
    x = 1,303,494,459.45/40,386.30
  6. Step 6: Final answer
    x = 32,275.66

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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.