Home / 53,455.36-73,683.20-42,106.88

Finding the Fourth Proportional to 53,455.36, 73,683.20 and 42,106.88

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Solution

The fourth proportional to 53,455.36, 73,683.20 and 42,106.88 is: 58,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.36 : 73,683.20 = 42,106.88 : x
  2. Step 2: Convert to fraction form
    53,455.36/73,683.20 = 42,106.88/x
  3. Step 3: Cross multiply
    53,455.36x = 73,683.20 × 42,106.88
  4. Step 4: Simplify right side
    53,455.36x = 3,102,569,660.42
  5. Step 5: Solve for x
    x = 3,102,569,660.42/53,455.36
  6. Step 6: Final answer
    x = 58,040.38

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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.