Home / 42,180.86-63,271.29-38,660.98

Finding the Fourth Proportional to 42,180.86, 63,271.29 and 38,660.98

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Solution

The fourth proportional to 42,180.86, 63,271.29 and 38,660.98 is: 57,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.86 : 63,271.29 = 38,660.98 : x
  2. Step 2: Convert to fraction form
    42,180.86/63,271.29 = 38,660.98/x
  3. Step 3: Cross multiply
    42,180.86x = 63,271.29 × 38,660.98
  4. Step 4: Simplify right side
    42,180.86x = 2,446,129,567.60
  5. Step 5: Solve for x
    x = 2,446,129,567.60/42,180.86
  6. Step 6: Final answer
    x = 57,991.46

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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.