Home / 47,320.20-70,980.30-14,045.40

Finding the Fourth Proportional to 47,320.20, 70,980.30 and 14,045.40

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Solution

The fourth proportional to 47,320.20, 70,980.30 and 14,045.40 is: 21,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.20 : 70,980.30 = 14,045.40 : x
  2. Step 2: Convert to fraction form
    47,320.20/70,980.30 = 14,045.40/x
  3. Step 3: Cross multiply
    47,320.20x = 70,980.30 × 14,045.40
  4. Step 4: Simplify right side
    47,320.20x = 996,946,705.62
  5. Step 5: Solve for x
    x = 996,946,705.62/47,320.20
  6. Step 6: Final answer
    x = 21,068.10

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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.