Home / 47,903.79-66,087.36-28,518.74

Finding the Fourth Proportional to 47,903.79, 66,087.36 and 28,518.74

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Solution

The fourth proportional to 47,903.79, 66,087.36 and 28,518.74 is: 39,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.79 : 66,087.36 = 28,518.74 : x
  2. Step 2: Convert to fraction form
    47,903.79/66,087.36 = 28,518.74/x
  3. Step 3: Cross multiply
    47,903.79x = 66,087.36 × 28,518.74
  4. Step 4: Simplify right side
    47,903.79x = 1,884,727,906.69
  5. Step 5: Solve for x
    x = 1,884,727,906.69/47,903.79
  6. Step 6: Final answer
    x = 39,344.02

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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.