Home / 47,109.02-70,663.94-13,829.63

Finding the Fourth Proportional to 47,109.02, 70,663.94 and 13,829.63

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Solution

The fourth proportional to 47,109.02, 70,663.94 and 13,829.63 is: 20,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.02 : 70,663.94 = 13,829.63 : x
  2. Step 2: Convert to fraction form
    47,109.02/70,663.94 = 13,829.63/x
  3. Step 3: Cross multiply
    47,109.02x = 70,663.94 × 13,829.63
  4. Step 4: Simplify right side
    47,109.02x = 977,256,075.39
  5. Step 5: Solve for x
    x = 977,256,075.39/47,109.02
  6. Step 6: Final answer
    x = 20,744.56

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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.