Home / 38,070.20-52,504.40-30,984.32

Finding the Fourth Proportional to 38,070.20, 52,504.40 and 30,984.32

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Solution

The fourth proportional to 38,070.20, 52,504.40 and 30,984.32 is: 42,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.20 : 52,504.40 = 30,984.32 : x
  2. Step 2: Convert to fraction form
    38,070.20/52,504.40 = 30,984.32/x
  3. Step 3: Cross multiply
    38,070.20x = 52,504.40 × 30,984.32
  4. Step 4: Simplify right side
    38,070.20x = 1,626,813,339.73
  5. Step 5: Solve for x
    x = 1,626,813,339.73/38,070.20
  6. Step 6: Final answer
    x = 42,731.93

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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.