Home / 47,208.70-70,812.36-19,128.52

Finding the Fourth Proportional to 47,208.70, 70,812.36 and 19,128.52

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Solution

The fourth proportional to 47,208.70, 70,812.36 and 19,128.52 is: 28,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,208.70 : 70,812.36 = 19,128.52 : x
  2. Step 2: Convert to fraction form
    47,208.70/70,812.36 = 19,128.52/x
  3. Step 3: Cross multiply
    47,208.70x = 70,812.36 × 19,128.52
  4. Step 4: Simplify right side
    47,208.70x = 1,354,535,644.51
  5. Step 5: Solve for x
    x = 1,354,535,644.51/47,208.70
  6. Step 6: Final answer
    x = 28,692.50

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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.