Home / 65,880.06-98,820.90-18,492.45

Finding the Fourth Proportional to 65,880.06, 98,820.90 and 18,492.45

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Solution

The fourth proportional to 65,880.06, 98,820.90 and 18,492.45 is: 27,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880.06 : 98,820.90 = 18,492.45 : x
  2. Step 2: Convert to fraction form
    65,880.06/98,820.90 = 18,492.45/x
  3. Step 3: Cross multiply
    65,880.06x = 98,820.90 × 18,492.45
  4. Step 4: Simplify right side
    65,880.06x = 1,827,440,552.21
  5. Step 5: Solve for x
    x = 1,827,440,552.21/65,880.06
  6. Step 6: Final answer
    x = 27,738.90

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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.