Home / 47,970.63-71,955.95-12,909.38

Finding the Fourth Proportional to 47,970.63, 71,955.95 and 12,909.38

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Solution

The fourth proportional to 47,970.63, 71,955.95 and 12,909.38 is: 19,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,970.63 : 71,955.95 = 12,909.38 : x
  2. Step 2: Convert to fraction form
    47,970.63/71,955.95 = 12,909.38/x
  3. Step 3: Cross multiply
    47,970.63x = 71,955.95 × 12,909.38
  4. Step 4: Simplify right side
    47,970.63x = 928,906,277.48
  5. Step 5: Solve for x
    x = 928,906,277.48/47,970.63
  6. Step 6: Final answer
    x = 19,364.06

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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.