Home / 42,474.81-63,440.60-38,466.23

Finding the Fourth Proportional to 42,474.81, 63,440.60 and 38,466.23

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Solution

The fourth proportional to 42,474.81, 63,440.60 and 38,466.23 is: 57,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.81 : 63,440.60 = 38,466.23 : x
  2. Step 2: Convert to fraction form
    42,474.81/63,440.60 = 38,466.23/x
  3. Step 3: Cross multiply
    42,474.81x = 63,440.60 × 38,466.23
  4. Step 4: Simplify right side
    42,474.81x = 2,440,320,710.94
  5. Step 5: Solve for x
    x = 2,440,320,710.94/42,474.81
  6. Step 6: Final answer
    x = 57,453.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.