Home / 35,418.10-48,877.12-21,271.18

Finding the Fourth Proportional to 35,418.10, 48,877.12 and 21,271.18

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Solution

The fourth proportional to 35,418.10, 48,877.12 and 21,271.18 is: 29,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.10 : 48,877.12 = 21,271.18 : x
  2. Step 2: Convert to fraction form
    35,418.10/48,877.12 = 21,271.18/x
  3. Step 3: Cross multiply
    35,418.10x = 48,877.12 × 21,271.18
  4. Step 4: Simplify right side
    35,418.10x = 1,039,674,017.40
  5. Step 5: Solve for x
    x = 1,039,674,017.40/35,418.10
  6. Step 6: Final answer
    x = 29,354.31

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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.