Home / 53,938.78-74,266.12-45,856.54

Finding the Fourth Proportional to 53,938.78, 74,266.12 and 45,856.54

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Solution

The fourth proportional to 53,938.78, 74,266.12 and 45,856.54 is: 63,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.78 : 74,266.12 = 45,856.54 : x
  2. Step 2: Convert to fraction form
    53,938.78/74,266.12 = 45,856.54/x
  3. Step 3: Cross multiply
    53,938.78x = 74,266.12 × 45,856.54
  4. Step 4: Simplify right side
    53,938.78x = 3,405,587,302.42
  5. Step 5: Solve for x
    x = 3,405,587,302.42/53,938.78
  6. Step 6: Final answer
    x = 63,138.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.