Home / 64,880.47-89,527.03-38,016.82

Finding the Fourth Proportional to 64,880.47, 89,527.03 and 38,016.82

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Solution

The fourth proportional to 64,880.47, 89,527.03 and 38,016.82 is: 52,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.47 : 89,527.03 = 38,016.82 : x
  2. Step 2: Convert to fraction form
    64,880.47/89,527.03 = 38,016.82/x
  3. Step 3: Cross multiply
    64,880.47x = 89,527.03 × 38,016.82
  4. Step 4: Simplify right side
    64,880.47x = 3,403,532,984.64
  5. Step 5: Solve for x
    x = 3,403,532,984.64/64,880.47
  6. Step 6: Final answer
    x = 52,458.51

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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.