Home / 77,615.64-116,444.88-30,901.32

Finding the Fourth Proportional to 77,615.64, 116,444.88 and 30,901.32

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Solution

The fourth proportional to 77,615.64, 116,444.88 and 30,901.32 is: 46,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.64 : 116,444.88 = 30,901.32 : x
  2. Step 2: Convert to fraction form
    77,615.64/116,444.88 = 30,901.32/x
  3. Step 3: Cross multiply
    77,615.64x = 116,444.88 × 30,901.32
  4. Step 4: Simplify right side
    77,615.64x = 3,598,300,499.24
  5. Step 5: Solve for x
    x = 3,598,300,499.24/77,615.64
  6. Step 6: Final answer
    x = 46,360.51

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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.