Home / 47,260.04-70,889.84-13,980.28

Finding the Fourth Proportional to 47,260.04, 70,889.84 and 13,980.28

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Solution

The fourth proportional to 47,260.04, 70,889.84 and 13,980.28 is: 20,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,260.04 : 70,889.84 = 13,980.28 : x
  2. Step 2: Convert to fraction form
    47,260.04/70,889.84 = 13,980.28/x
  3. Step 3: Cross multiply
    47,260.04x = 70,889.84 × 13,980.28
  4. Step 4: Simplify right side
    47,260.04x = 991,059,812.36
  5. Step 5: Solve for x
    x = 991,059,812.36/47,260.04
  6. Step 6: Final answer
    x = 20,970.35

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Similar ratio
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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.