Home / 45,783.78-68,693.76-14,196.35

Finding the Fourth Proportional to 45,783.78, 68,693.76 and 14,196.35

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Solution

The fourth proportional to 45,783.78, 68,693.76 and 14,196.35 is: 21,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.78 : 68,693.76 = 14,196.35 : x
  2. Step 2: Convert to fraction form
    45,783.78/68,693.76 = 14,196.35/x
  3. Step 3: Cross multiply
    45,783.78x = 68,693.76 × 14,196.35
  4. Step 4: Simplify right side
    45,783.78x = 975,200,316.31
  5. Step 5: Solve for x
    x = 975,200,316.31/45,783.78
  6. Step 6: Final answer
    x = 21,300.13

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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.