Home / 51,200.73-70,656.81-28,539.45

Finding the Fourth Proportional to 51,200.73, 70,656.81 and 28,539.45

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Solution

The fourth proportional to 51,200.73, 70,656.81 and 28,539.45 is: 39,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.73 : 70,656.81 = 28,539.45 : x
  2. Step 2: Convert to fraction form
    51,200.73/70,656.81 = 28,539.45/x
  3. Step 3: Cross multiply
    51,200.73x = 70,656.81 × 28,539.45
  4. Step 4: Simplify right side
    51,200.73x = 2,016,506,496.15
  5. Step 5: Solve for x
    x = 2,016,506,496.15/51,200.73
  6. Step 6: Final answer
    x = 39,384.33

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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.