Home / 43,312.35-64,963.05-13,730.48

Finding the Fourth Proportional to 43,312.35, 64,963.05 and 13,730.48

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Solution

The fourth proportional to 43,312.35, 64,963.05 and 13,730.48 is: 20,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.35 : 64,963.05 = 13,730.48 : x
  2. Step 2: Convert to fraction form
    43,312.35/64,963.05 = 13,730.48/x
  3. Step 3: Cross multiply
    43,312.35x = 64,963.05 × 13,730.48
  4. Step 4: Simplify right side
    43,312.35x = 891,973,533.95
  5. Step 5: Solve for x
    x = 891,973,533.95/43,312.35
  6. Step 6: Final answer
    x = 20,593.98

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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.