Home / 45,117.32-67,700.46-18,824.36

Finding the Fourth Proportional to 45,117.32, 67,700.46 and 18,824.36

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Solution

The fourth proportional to 45,117.32, 67,700.46 and 18,824.36 is: 28,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.32 : 67,700.46 = 18,824.36 : x
  2. Step 2: Convert to fraction form
    45,117.32/67,700.46 = 18,824.36/x
  3. Step 3: Cross multiply
    45,117.32x = 67,700.46 × 18,824.36
  4. Step 4: Simplify right side
    45,117.32x = 1,274,417,831.21
  5. Step 5: Solve for x
    x = 1,274,417,831.21/45,117.32
  6. Step 6: Final answer
    x = 28,246.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.