Home / 62,877.16-94,295.72-20,749.40

Finding the Fourth Proportional to 62,877.16, 94,295.72 and 20,749.40

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Solution

The fourth proportional to 62,877.16, 94,295.72 and 20,749.40 is: 31,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,877.16 : 94,295.72 = 20,749.40 : x
  2. Step 2: Convert to fraction form
    62,877.16/94,295.72 = 20,749.40/x
  3. Step 3: Cross multiply
    62,877.16x = 94,295.72 × 20,749.40
  4. Step 4: Simplify right side
    62,877.16x = 1,956,579,612.57
  5. Step 5: Solve for x
    x = 1,956,579,612.57/62,877.16
  6. Step 6: Final answer
    x = 31,117.49

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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.