Home / 35,084.80-48,409.14-20,935

Finding the Fourth Proportional to 35,084.80, 48,409.14 and 20,935

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Solution

The fourth proportional to 35,084.80, 48,409.14 and 20,935 is: 28,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.80 : 48,409.14 = 20,935 : x
  2. Step 2: Convert to fraction form
    35,084.80/48,409.14 = 20,935/x
  3. Step 3: Cross multiply
    35,084.80x = 48,409.14 × 20,935
  4. Step 4: Simplify right side
    35,084.80x = 1,013,445,345.90
  5. Step 5: Solve for x
    x = 1,013,445,345.90/35,084.80
  6. Step 6: Final answer
    x = 28,885.60

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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.