Home / 35,038.40-52,557.60-21,214.40

Finding the Fourth Proportional to 35,038.40, 52,557.60 and 21,214.40

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Solution

The fourth proportional to 35,038.40, 52,557.60 and 21,214.40 is: 31,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,038.40 : 52,557.60 = 21,214.40 : x
  2. Step 2: Convert to fraction form
    35,038.40/52,557.60 = 21,214.40/x
  3. Step 3: Cross multiply
    35,038.40x = 52,557.60 × 21,214.40
  4. Step 4: Simplify right side
    35,038.40x = 1,114,977,949.44
  5. Step 5: Solve for x
    x = 1,114,977,949.44/35,038.40
  6. Step 6: Final answer
    x = 31,821.60

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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.