Home / 77,718.40-116,577.60-31,004.80

Finding the Fourth Proportional to 77,718.40, 116,577.60 and 31,004.80

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Solution

The fourth proportional to 77,718.40, 116,577.60 and 31,004.80 is: 46,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.40 : 116,577.60 = 31,004.80 : x
  2. Step 2: Convert to fraction form
    77,718.40/116,577.60 = 31,004.80/x
  3. Step 3: Cross multiply
    77,718.40x = 116,577.60 × 31,004.80
  4. Step 4: Simplify right side
    77,718.40x = 3,614,465,172.48
  5. Step 5: Solve for x
    x = 3,614,465,172.48/77,718.40
  6. Step 6: Final answer
    x = 46,507.20

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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.