Home / 47,019.60-70,529.40-15,429.60

Finding the Fourth Proportional to 47,019.60, 70,529.40 and 15,429.60

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Solution

The fourth proportional to 47,019.60, 70,529.40 and 15,429.60 is: 23,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.60 : 70,529.40 = 15,429.60 : x
  2. Step 2: Convert to fraction form
    47,019.60/70,529.40 = 15,429.60/x
  3. Step 3: Cross multiply
    47,019.60x = 70,529.40 × 15,429.60
  4. Step 4: Simplify right side
    47,019.60x = 1,088,240,430.24
  5. Step 5: Solve for x
    x = 1,088,240,430.24/47,019.60
  6. Step 6: Final answer
    x = 23,144.40

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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.