Home / 35,398.14-48,841.59-20,485.50

Finding the Fourth Proportional to 35,398.14, 48,841.59 and 20,485.50

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Solution

The fourth proportional to 35,398.14, 48,841.59 and 20,485.50 is: 28,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.14 : 48,841.59 = 20,485.50 : x
  2. Step 2: Convert to fraction form
    35,398.14/48,841.59 = 20,485.50/x
  3. Step 3: Cross multiply
    35,398.14x = 48,841.59 × 20,485.50
  4. Step 4: Simplify right side
    35,398.14x = 1,000,544,391.95
  5. Step 5: Solve for x
    x = 1,000,544,391.95/35,398.14
  6. Step 6: Final answer
    x = 28,265.45

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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.