Home / 39,521.74-54,559.83-30,548.98

Finding the Fourth Proportional to 39,521.74, 54,559.83 and 30,548.98

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Solution

The fourth proportional to 39,521.74, 54,559.83 and 30,548.98 is: 42,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521.74 : 54,559.83 = 30,548.98 : x
  2. Step 2: Convert to fraction form
    39,521.74/54,559.83 = 30,548.98/x
  3. Step 3: Cross multiply
    39,521.74x = 54,559.83 × 30,548.98
  4. Step 4: Simplify right side
    39,521.74x = 1,666,747,155.47
  5. Step 5: Solve for x
    x = 1,666,747,155.47/39,521.74
  6. Step 6: Final answer
    x = 42,172.92

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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.