Home / 47,263.35-70,870.50-13,979.04

Finding the Fourth Proportional to 47,263.35, 70,870.50 and 13,979.04

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Solution

The fourth proportional to 47,263.35, 70,870.50 and 13,979.04 is: 20,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,263.35 : 70,870.50 = 13,979.04 : x
  2. Step 2: Convert to fraction form
    47,263.35/70,870.50 = 13,979.04/x
  3. Step 3: Cross multiply
    47,263.35x = 70,870.50 × 13,979.04
  4. Step 4: Simplify right side
    47,263.35x = 990,701,554.32
  5. Step 5: Solve for x
    x = 990,701,554.32/47,263.35
  6. Step 6: Final answer
    x = 20,961.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.