Home / 47,283.20-70,924.80-14,008.40

Finding the Fourth Proportional to 47,283.20, 70,924.80 and 14,008.40

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Solution

The fourth proportional to 47,283.20, 70,924.80 and 14,008.40 is: 21,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,283.20 : 70,924.80 = 14,008.40 : x
  2. Step 2: Convert to fraction form
    47,283.20/70,924.80 = 14,008.40/x
  3. Step 3: Cross multiply
    47,283.20x = 70,924.80 × 14,008.40
  4. Step 4: Simplify right side
    47,283.20x = 993,542,968.32
  5. Step 5: Solve for x
    x = 993,542,968.32/47,283.20
  6. Step 6: Final answer
    x = 21,012.60

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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.