Home / 64,721.52-97,082.28-20,352.15

Finding the Fourth Proportional to 64,721.52, 97,082.28 and 20,352.15

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Solution

The fourth proportional to 64,721.52, 97,082.28 and 20,352.15 is: 30,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.52 : 97,082.28 = 20,352.15 : x
  2. Step 2: Convert to fraction form
    64,721.52/97,082.28 = 20,352.15/x
  3. Step 3: Cross multiply
    64,721.52x = 97,082.28 × 20,352.15
  4. Step 4: Simplify right side
    64,721.52x = 1,975,833,124.90
  5. Step 5: Solve for x
    x = 1,975,833,124.90/64,721.52
  6. Step 6: Final answer
    x = 30,528.23

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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.