Home / 51,945.75-77,938.07-26,970.21

Finding the Fourth Proportional to 51,945.75, 77,938.07 and 26,970.21

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Solution

The fourth proportional to 51,945.75, 77,938.07 and 26,970.21 is: 40,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.75 : 77,938.07 = 26,970.21 : x
  2. Step 2: Convert to fraction form
    51,945.75/77,938.07 = 26,970.21/x
  3. Step 3: Cross multiply
    51,945.75x = 77,938.07 × 26,970.21
  4. Step 4: Simplify right side
    51,945.75x = 2,102,005,980.04
  5. Step 5: Solve for x
    x = 2,102,005,980.04/51,945.75
  6. Step 6: Final answer
    x = 40,465.41

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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.