Home / 42,301.14-63,440.36-12,712.38

Finding the Fourth Proportional to 42,301.14, 63,440.36 and 12,712.38

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Solution

The fourth proportional to 42,301.14, 63,440.36 and 12,712.38 is: 19,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.14 : 63,440.36 = 12,712.38 : x
  2. Step 2: Convert to fraction form
    42,301.14/63,440.36 = 12,712.38/x
  3. Step 3: Cross multiply
    42,301.14x = 63,440.36 × 12,712.38
  4. Step 4: Simplify right side
    42,301.14x = 806,477,963.66
  5. Step 5: Solve for x
    x = 806,477,963.66/42,301.14
  6. Step 6: Final answer
    x = 19,065.16

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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.