Home / 35,459.30-48,918.45-21,111.10

Finding the Fourth Proportional to 35,459.30, 48,918.45 and 21,111.10

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Solution

The fourth proportional to 35,459.30, 48,918.45 and 21,111.10 is: 29,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.30 : 48,918.45 = 21,111.10 : x
  2. Step 2: Convert to fraction form
    35,459.30/48,918.45 = 21,111.10/x
  3. Step 3: Cross multiply
    35,459.30x = 48,918.45 × 21,111.10
  4. Step 4: Simplify right side
    35,459.30x = 1,032,722,289.80
  5. Step 5: Solve for x
    x = 1,032,722,289.80/35,459.30
  6. Step 6: Final answer
    x = 29,124.16

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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.