Home / 40,078.56-55,303.61-23,088.36

Finding the Fourth Proportional to 40,078.56, 55,303.61 and 23,088.36

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Solution

The fourth proportional to 40,078.56, 55,303.61 and 23,088.36 is: 31,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.56 : 55,303.61 = 23,088.36 : x
  2. Step 2: Convert to fraction form
    40,078.56/55,303.61 = 23,088.36/x
  3. Step 3: Cross multiply
    40,078.56x = 55,303.61 × 23,088.36
  4. Step 4: Simplify right side
    40,078.56x = 1,276,869,541.54
  5. Step 5: Solve for x
    x = 1,276,869,541.54/40,078.56
  6. Step 6: Final answer
    x = 31,859.17

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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.