Home / 47,076.76-64,966-25,857.40

Finding the Fourth Proportional to 47,076.76, 64,966 and 25,857.40

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Solution

The fourth proportional to 47,076.76, 64,966 and 25,857.40 is: 35,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,076.76 : 64,966 = 25,857.40 : x
  2. Step 2: Convert to fraction form
    47,076.76/64,966 = 25,857.40/x
  3. Step 3: Cross multiply
    47,076.76x = 64,966 × 25,857.40
  4. Step 4: Simplify right side
    47,076.76x = 1,679,851,848.40
  5. Step 5: Solve for x
    x = 1,679,851,848.40/47,076.76
  6. Step 6: Final answer
    x = 35,683.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.