Home / 50,985.58-70,364.86-30,847.40

Finding the Fourth Proportional to 50,985.58, 70,364.86 and 30,847.40

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Solution

The fourth proportional to 50,985.58, 70,364.86 and 30,847.40 is: 42,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.58 : 70,364.86 = 30,847.40 : x
  2. Step 2: Convert to fraction form
    50,985.58/70,364.86 = 30,847.40/x
  3. Step 3: Cross multiply
    50,985.58x = 70,364.86 × 30,847.40
  4. Step 4: Simplify right side
    50,985.58x = 2,170,572,982.36
  5. Step 5: Solve for x
    x = 2,170,572,982.36/50,985.58
  6. Step 6: Final answer
    x = 42,572.29

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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.