Home / 30,548.88-45,826.56-13,020.48

Finding the Fourth Proportional to 30,548.88, 45,826.56 and 13,020.48

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Solution

The fourth proportional to 30,548.88, 45,826.56 and 13,020.48 is: 19,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.88 : 45,826.56 = 13,020.48 : x
  2. Step 2: Convert to fraction form
    30,548.88/45,826.56 = 13,020.48/x
  3. Step 3: Cross multiply
    30,548.88x = 45,826.56 × 13,020.48
  4. Step 4: Simplify right side
    30,548.88x = 596,683,807.95
  5. Step 5: Solve for x
    x = 596,683,807.95/30,548.88
  6. Step 6: Final answer
    x = 19,532.10

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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.