Home / 42,792.48-64,197.66-13,209.66

Finding the Fourth Proportional to 42,792.48, 64,197.66 and 13,209.66

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Solution

The fourth proportional to 42,792.48, 64,197.66 and 13,209.66 is: 19,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792.48 : 64,197.66 = 13,209.66 : x
  2. Step 2: Convert to fraction form
    42,792.48/64,197.66 = 13,209.66/x
  3. Step 3: Cross multiply
    42,792.48x = 64,197.66 × 13,209.66
  4. Step 4: Simplify right side
    42,792.48x = 848,029,261.40
  5. Step 5: Solve for x
    x = 848,029,261.40/42,792.48
  6. Step 6: Final answer
    x = 19,817.25

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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.