Home / 51,151.64-70,591.18-28,182.41

Finding the Fourth Proportional to 51,151.64, 70,591.18 and 28,182.41

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Solution

The fourth proportional to 51,151.64, 70,591.18 and 28,182.41 is: 38,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.64 : 70,591.18 = 28,182.41 : x
  2. Step 2: Convert to fraction form
    51,151.64/70,591.18 = 28,182.41/x
  3. Step 3: Cross multiply
    51,151.64x = 70,591.18 × 28,182.41
  4. Step 4: Simplify right side
    51,151.64x = 1,989,429,224.19
  5. Step 5: Solve for x
    x = 1,989,429,224.19/51,151.64
  6. Step 6: Final answer
    x = 38,892.77

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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.