Home / 42,035.48-63,054.54-15,735.20

Finding the Fourth Proportional to 42,035.48, 63,054.54 and 15,735.20

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Solution

The fourth proportional to 42,035.48, 63,054.54 and 15,735.20 is: 23,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.48 : 63,054.54 = 15,735.20 : x
  2. Step 2: Convert to fraction form
    42,035.48/63,054.54 = 15,735.20/x
  3. Step 3: Cross multiply
    42,035.48x = 63,054.54 × 15,735.20
  4. Step 4: Simplify right side
    42,035.48x = 992,175,797.81
  5. Step 5: Solve for x
    x = 992,175,797.81/42,035.48
  6. Step 6: Final answer
    x = 23,603.29

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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.