Home / 46,831.36-64,655.68-30,942.40

Finding the Fourth Proportional to 46,831.36, 64,655.68 and 30,942.40

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Solution

The fourth proportional to 46,831.36, 64,655.68 and 30,942.40 is: 42,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,831.36 : 64,655.68 = 30,942.40 : x
  2. Step 2: Convert to fraction form
    46,831.36/64,655.68 = 30,942.40/x
  3. Step 3: Cross multiply
    46,831.36x = 64,655.68 × 30,942.40
  4. Step 4: Simplify right side
    46,831.36x = 2,000,601,912.83
  5. Step 5: Solve for x
    x = 2,000,601,912.83/46,831.36
  6. Step 6: Final answer
    x = 42,719.28

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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.