Home / 35,079.36-48,419.28-21,652.80

Finding the Fourth Proportional to 35,079.36, 48,419.28 and 21,652.80

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Solution

The fourth proportional to 35,079.36, 48,419.28 and 21,652.80 is: 29,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.36 : 48,419.28 = 21,652.80 : x
  2. Step 2: Convert to fraction form
    35,079.36/48,419.28 = 21,652.80/x
  3. Step 3: Cross multiply
    35,079.36x = 48,419.28 × 21,652.80
  4. Step 4: Simplify right side
    35,079.36x = 1,048,412,985.98
  5. Step 5: Solve for x
    x = 1,048,412,985.98/35,079.36
  6. Step 6: Final answer
    x = 29,886.89

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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.