Home / 47,285.20-70,927.80-14,010.40

Finding the Fourth Proportional to 47,285.20, 70,927.80 and 14,010.40

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Solution

The fourth proportional to 47,285.20, 70,927.80 and 14,010.40 is: 21,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285.20 : 70,927.80 = 14,010.40 : x
  2. Step 2: Convert to fraction form
    47,285.20/70,927.80 = 14,010.40/x
  3. Step 3: Cross multiply
    47,285.20x = 70,927.80 × 14,010.40
  4. Step 4: Simplify right side
    47,285.20x = 993,726,849.12
  5. Step 5: Solve for x
    x = 993,726,849.12/47,285.20
  6. Step 6: Final answer
    x = 21,015.60

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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.