Home / 51,684.48-77,552.64-20,528.64

Finding the Fourth Proportional to 51,684.48, 77,552.64 and 20,528.64

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Solution

The fourth proportional to 51,684.48, 77,552.64 and 20,528.64 is: 30,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.48 : 77,552.64 = 20,528.64 : x
  2. Step 2: Convert to fraction form
    51,684.48/77,552.64 = 20,528.64/x
  3. Step 3: Cross multiply
    51,684.48x = 77,552.64 × 20,528.64
  4. Step 4: Simplify right side
    51,684.48x = 1,592,050,227.61
  5. Step 5: Solve for x
    x = 1,592,050,227.61/51,684.48
  6. Step 6: Final answer
    x = 30,803.26

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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.