Home / 20,023.02-30,045.22-13,001.36

Finding the Fourth Proportional to 20,023.02, 30,045.22 and 13,001.36

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Solution

The fourth proportional to 20,023.02, 30,045.22 and 13,001.36 is: 19,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.02 : 30,045.22 = 13,001.36 : x
  2. Step 2: Convert to fraction form
    20,023.02/30,045.22 = 13,001.36/x
  3. Step 3: Cross multiply
    20,023.02x = 30,045.22 × 13,001.36
  4. Step 4: Simplify right side
    20,023.02x = 390,628,721.50
  5. Step 5: Solve for x
    x = 390,628,721.50/20,023.02
  6. Step 6: Final answer
    x = 19,508.98

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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.