Home / 51,653.32-71,275.70-28,989.24

Finding the Fourth Proportional to 51,653.32, 71,275.70 and 28,989.24

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Solution

The fourth proportional to 51,653.32, 71,275.70 and 28,989.24 is: 40,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.32 : 71,275.70 = 28,989.24 : x
  2. Step 2: Convert to fraction form
    51,653.32/71,275.70 = 28,989.24/x
  3. Step 3: Cross multiply
    51,653.32x = 71,275.70 × 28,989.24
  4. Step 4: Simplify right side
    51,653.32x = 2,066,228,373.47
  5. Step 5: Solve for x
    x = 2,066,228,373.47/51,653.32
  6. Step 6: Final answer
    x = 40,001.85

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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.