Home / 42,925.14-64,344.90-20,396.28

Finding the Fourth Proportional to 42,925.14, 64,344.90 and 20,396.28

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Solution

The fourth proportional to 42,925.14, 64,344.90 and 20,396.28 is: 30,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.14 : 64,344.90 = 20,396.28 : x
  2. Step 2: Convert to fraction form
    42,925.14/64,344.90 = 20,396.28/x
  3. Step 3: Cross multiply
    42,925.14x = 64,344.90 × 20,396.28
  4. Step 4: Simplify right side
    42,925.14x = 1,312,396,596.97
  5. Step 5: Solve for x
    x = 1,312,396,596.97/42,925.14
  6. Step 6: Final answer
    x = 30,574.08

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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.